Take a look at all the Volcanoes either Erupting or ready to EruptEtna volcano rumbles back to life in Sicily11 hours agoROME (AFP) — The Etna volcano in Sicily rumbled back to life on Tuesday with a "seismic event" followed by a burst of ash, volcanologists said three days after minor eruptions shook the cone.A "seismic event provoking a strong explosion was recorded Tuesday at 0424 GMT (6:42 am local) in parts of the peak of the volcano," the National Geophysics and Vulcanology Institute in Sicily's Catania region said in a statement.The explosion on Etna, Europe's tallest active volcano at 3,295 metres (10,810 feet), was followed by a rain of ash on the southeast crater, "where significant gas emissions are occurring," the statement said.The institute dispatched experts on Tuesday to the site, but "the phenomenon currently represents no danger to people or property," it said.Saturday's eruption, accompanied by streams of lava, was also at the volcano's southeast crater.The last eruption of Mount Etna was in November 2007, two months after another eruption forced a temporary closure of nearby Catania airport due to flowing lava and clouds of ash.The last major eruption was in 2001. ................................................Patagonia fears environmental damage from volcanoSun May 11, 2008 3:42pm EDTBy Jorge A. OtaolaESQUEL, Argentina, May 11 (Reuters) - Volcanic ash raining down from the Chilean volcano Chaiten may cause long-term environmental damage and harm the health of people and animals in picturesque Patagonia, scientists say.Ash from the volcano, which started erupting 10 days ago for the first time in thousands of years, is made up of pulverized rock containing all kinds of minerals.It has spoiled lakes, rivers and lagoons, coated plants in a dense layer of gray, and altered the sensitive habitat of animals now struggling to survive. Satellite images show a white stripe smeared across the southern part of South America.Though it is too early to say what the long-term effects will be, ecologists say life has permanently changed in the region's pine and cypress forests, inhabited by pumas and huemules, a rare species of deer."I am tremendously worried because this is an environmental, social and ecological disaster," said Alejandro Beletzky, an environmental scientist in a soot-covered swath of Argentina."The presence of volcanic ash in the region, which falls constantly, is very risky for humans, plants and animals," he said near Esquel, a town 1,240 miles (2,000 km) southwest of Buenos Aires.Government officials have insisted the ash is not toxic, though people in the Argentine provinces of Chubut and Rio Negro, and Chile's Tenth Region have complained of burning eyes, breathing trouble and tainted water.The volcanic ash blowing east across the Andes mountains from Chile has dusted hundreds of square miles of Argentina. Nearby airports have closed because of poor visibility and worries the rocky ash could damage jet engines.Chile's chain of volcanoes, the second-largest in the world, includes some 2,000 of which 500 are potentially active. Chaiten sits 760 miles (1,220 km) south of the capital Santiag
n both sides of the border, pastures were blanketed in ash, a few animals tried to eat grass, and birds perched on trees looked like concrete statues."We don't think the ash is toxic, but we need to take into account the long-term effects on the digestive and respiratory systems of animals," said Christian Hepp, an agronomist for Chile's national institute of livestock studies, which is testing the soil of cow and sheep pastures clouded by ash.In Chile, evacuated residents complained of being thrown into a state of limbo, not knowing when, or if, they would be able to return.Chaiten has shot a towering plume of ash 12 miles (20 km) into the sky, forcing thousands of people to evacuate within a 30-mile (50-km) radius.The column might descend gradually. But in a worst-case scenario, ash and molten rock would drop quickly and engulf the town of Chaiten, just 6 miles (10 km) from the volcano, killing everything in its path."We can't put anybody's life at risk," President Michelle Bachelet told weary evacuees huddled in shelters. (Additional reporting by Monica Vargas in Puerto Montt, Chile; writing by Terry Wade, editing by Vicki Allen)............................................USA - Kilauea volcano ( Hawaian islands)May 9th , 2008As of the 9th of May, it has been reported from the Hawaiian Volcano Observatory (HVO), that Kilauea Volcano is active at two locations. At the summit, production of small amounts of ash, elevated sulfur dioxide, and elevated seismic tremor continued from the Halema`uma`u vent. At the east rift eruption site, lava flowed through tubes to the ocean. L ast 24 hours at Kilauea summit: Molten lava may reside at shallow depth within the new vent. A white plume continued to issue from the vent in Halemaumau Crater and was being blown southwesterly. Small amounts of ash continue to be found each morning in collectors beneath the plume; this morning, the ash was wet from overnight rainfall. Overnight, the view of the vent was quite good before the fog rolled in. The SO 2 emission rate remained high; the most recent average measurement (May 7th) was 1,100 tonnes/day compared to a background rate between 150-200 tonnes/day. The summit tiltmeter network recorded weak deflation. Seismic tremor levels remained at elevated values. GPS receivers on opposite sides of the summit caldera recorded no extension or contraction above measurement error. Two earthquakes were located beneath the summit caldera, three on south flank faults, and one on the southwest seismic rift zone. As of the 25th of April, it has been reported from the Hawaiian Volcano Observatory (HVO), that Kilauea Volcano is still active at two locations. The current increase in sulfur dioxide emission rates at the summit means that SO2 concentrations in the air are likely to be at hazardous levels for areas downwind of emission sources in Halema`uma`u crater. On Wednesday, smoke and ash poured from the main crater of Kilauea volcano and elevated levels of sulfur dioxide from the volcano summit vent forced the evacuation of Hawaii Volcanoes National Park for the second time this month including .................................................U.S.A. - Mauna Loa ( Hawaii)As of the 27th of April, the Hawaiian Volcano Observatory (HVO) has reported extension has has resumed after a hiatus of a few weeks. The network of continuous GPS receivers recorded extension in the past week. Tiltmeters have recorded no significant changes. Gas sensors continued to record background gas concentrations within a crack in the crater floor; the fumarole temperature decreased a little more than 3 degrees C since the beginning of February. Over the past 6 months, our GPS network has recorded nearly 1 cm of extension across the caldera and 2 cm of extension across the flanks. Beginning around December 1, 2006, extension slowed further but resumed pre-December rates by mid month. Slow inflation continues. Tiltmeters have recorded no significant changes. Mauna Loa remains seismically quiet with few earthquakes occurring beneath the summit and the Ka`oiki seismic zone on the east flank. Since the beginning of January, 2005, HVO analysts have rarely located more than 10 earthquakes per week beneath Mauna Loa summit. Of the located earthquakes, less than a handful are Long-period in nature. Network status: -two tiltmeters are down, five are working properly; -GPS network is working properly; -seismic network is working properly; -gas sensors are not working properly. The colour code at Mauna Loa is currently at YELLOW. ................................................USA - Veniaminoff volcano (Alaska)As of the 25th of April, the Alaska Volcano Observatory (AVO) has reported that seismic activity shows that seismic data show that low level volcanic unrest continues at Mt. Veniaminof volcano. Clear web cam views of Mt. Veniaminof volcano show light steaming continues. No activity was observed in mostly clear satellite views. AVO will continue to monitor activity at Mt. Veniaminof using seismic data, satellite images, internet camera data and observer reports. Massive Veniaminof volcano, one of the highest and largest volcanoes on the Alaska Peninsula, is truncated by a steep-walled, 8 x 11 km, glacier-filled caldera that formed around 3700 years ago. The caldera rim is up to 520 m high on the north, is deeply notched on the west by Cone Glacier, and is covered by an ice sheet on the south. Post-caldera vents are located along a NW-SE zone bisecting the caldera that extends 55 km from near the Bering Sea coast, across the caldera, and down the Pacific flank. Historical eruptions probably all originated from the westernmost and most prominent of two intra-caldera cones, which reaches an elevation of 2156 m and rises about 300 m above the surrounding icefield. The other cone is larger, and has a summit crater or caldera that may reach 2.5 km in diameter, but is more subdued and barely rises above the glacier surface. ........................................................USA - Mount Cleveland volcano (Aleutian islands)May 9th, 2008As of the 9th of May, the Alaska Volcano Obsetrvatory (AVO) reported that last night, a small, low-altitude (less than 15,000ft) ash cloud was observed in satellite images from 1600hrs AKDT, May 7th (0000UTC, May 8th) until about 2300hrs AKDT, May 7th (0700UTC, May 8th). A ship north of Nikolski reported light ashfall occurring about 2000hrs AKDT. No other ash clouds have been observed. No new thermal activity was observed at Cleveland, though the current conditions are very cloudy. AVO monitors Mt. Cleveland volcano with satellite imagery as weather allows. The lack of a real-time seismic network at Mt. Cleveland means that AVO is unable to track local earthquake activity related to volcanic unrest. Short-lived explosions of ash that could exceed 20,000 ft above sea level can occur without warning and may go undetected on satellite imagery. Two pilots reported an eruption of Mt. Cleveland volcano in Alaska at 1630 hr, local time, on Friday, the 8th of February. Ash reached 20,000 ft and drifted NW. A diffuse low-level plume was observed earlier in satellite images. There is no seismic monitoring at the volcano. Mt. Cleveland volcano had one eruption in 2007, and four in 2006. A possible thermal anomaly was observed in satellite imagery last night. No other activity was reported. ..............................................................ECUADOR - Tungurahua volcanoMay 9th, 2008As of the 9th of May, the Instituto Geofísico (IG) has reported that the seismicity is similar to the previous days, associated to movement of fluids, appearing additionally 2 little power explosions. Ash falls in the environs, noises, rains nor lahars have not been reported. The IG reported that a total of 41 events of long period (LP's) and 73 episodes of tremor of continuous emission, 2 explosions 0331hrs, DR=1.47, have been registered one at 0916hrs, and the other with a DR= 2.38. The emissions observed, with ash mean load, reached heights smaller 1 km on the summit, with preferred directions to the west. The climatic conditions around the summit of the volcano you have been cloudy and partially cloudy. As of the 7th of May, the IG reported that although visual observations were occasionally limited due to cloud cover during 29 April-6 May, ash-and-steam plumes from Tungurahua were spotted and generally rose to altitudes of 5.5-7 km (18,000-23,000 ft) a.s.l. Ashfall was reported in areas to the SW and W during 29 April-1 May and on 4 May. On 30 April, explosions produced steam-and-ash plumes to altitudes of 9-10 km (29,500-32,800 ft) a.s.l. Incandescence at the summit was visible and incandescent blocks rolled down the flanks. Roaring noises were audible. On 1 May, explosions were accompanied by "cannon shots" and intense incandescence at the summit. Windows vibrated in areas 6 km NE. Incandescent blocks rolled 1 km down the flanks. On 3 May, a small lahar descended the W flank. As of the 2nd of May, the Instituto Geofísico (IG) has reported that at night yesterday 1st of May, incandescence in the zone of the crater was observed. This day, the ash fall was reported in the population of Pillate. The volcano continues showing signals of gas discharge and ash and two explosions of moderate size were registered. Lahars have not taken place. The IG also reported for seismicity a total of 55 LP`s events which has been entered, 2 episodes of tremor of emission and two explosions. The explosion of greater size happened at 0157hrs of today. Ash, emissions and observations. At night yesterday, intense brightness in the zone of the crater and rolling of incandescent blocks by flanks of the volcano was observed. At dawn and today the ash fall was reported in the population of Pillate. As of the 25th of April, IG reported that the seismic activity continues such in levels of activity of the previous days and it is characterised by an important number of events that indicate movement of fluids. Unlike the previous days the explosions have caused clear signals audible that they have caused vibrating of large windows and the ground in the environs. .....................................................MONTSERRAT - Soufriere Hills volcano - West-IndiesMay 9th, 2008Report for the period from 5th of April to 7th of May 2008- As of the 7th of May, the Monstserrat Volcano Observatory (MVO) reported that there was a small pyroclastic flow on the eastern flank of the Soufriere Hills volcano at 0200hrs on Monday 5th May. Light ashfall was reported in the Old Town area. The flow may have been triggered by very heavy rainfall at the time, which also generated lahars. A brief swarm of volcano-tectonic earthquakes occurred at the same time as the flow. These were located at a very shallow depth beneath the dome. The alert level remains at 4. As of the 26th of April, MVO reported that the pause in dome growth at the Soufriere Hills Volcano continues.......................................................MEXICO - Popocatepetl volcanoMay 9th, 2008As of the 9th of May, the El Centro Nacional de Prevención de Desastres de la Secretaría de Gobernación (CENAPRED) has reported that in the last 24 hours the monitoring system again detected 3 exhalations acompanied by steam and gas. Also, yesterday at 1543hrs (local time), a volcano-tectonic earthquake was detected with magnitude 2.3. The other monitored parameters remain without important changes. At the moment of this report CENAPRED does not have visibility due to clouds. During previous hours a steam and gas emission was observed. From high to low probability the expected activity scenarios in the next hours, days or weeks are: moderate exhalations, some with ash emissions; occasionally mild incandescence during nights and sporadic low level explosions with low probabilities of incandescent fragment at short distance to the crater. There is a permanent monitoring of the volcano to detect any change........................................................MEXICO - Colima volcanoMay 9th, 2008As of the 9th of May, the Government of the State, through the State Unit of Civil Defence-Colima reports that in the last 24 hours, the monitoring of the Colima volcano that the equipment of monitoring of the Colima volcano registered two exhalations during last the twenty-four hours, without any reports on damages or affectation in the adjacent populations, informed the Government into the State, through the State Unit of Civil Defence Colima. Y..................................................GUATEMALA - Fuego volcanoMay 9th, 2008As of the 9th of May, the National Institute Of Sismología, Volcanology, Meteorology And Hidrologia, (INSIVUMEH) has reported that activity was characterized with weak Fumaroles to low height in direction the northwest. In the course at night they have been observed and heard were 13 explosions accompanied by moderate rumblings, generating sensible shock waves to several kilometres of the volcano, also degassing sounds similar to turbines of airplane by lapses of 10 minutes were heard. The explosions have been weak, moderate and strong, expelling gray ash to 300 to 900 metres, on the crater, forming columns of 7 kilometres in length, moving to the west. Constant avalanches of blocks on the ravine Santa Teresa. As of the 1st of May, INSIVUMEH reported that the Washington VAAC reported that an ash plume from Fuego was visible on satellite imagery on 23 April and drifted SW. Fuego, one of Central America's most active volcanoes, is one of three large stratovolcanoes overlooking Guatemala's former capital, Antigua. Frequent vigorous historical eruptions have been recorded since 1524 and have produced major ashfalls, along with occasional pyroclastic flows and lava flows. The last major explosive eruption from Fuego took place in 1974, producing spectacular pyroclastic flows visible from Antigua. From (INSIVUMEH)......................................................GUATEMALA - Santa Maria - SantiaguitoMay 9th, 2008As of the 9th of May, the National Institute Of Sismología, Volcanology, Meteorology And Hidrologia, (INSIVUMEH) has reported that activity observed was a moderate explosion expelling gray ash 700 metres of height moving to the southwest, on the zone of Palajunoj. In the crater of the Domo Caliente, with abundant degassing. As of the 1st of May, INSIVUMEH reported that based on observations of satellite imagery, the Washington VAAC reported that an ash plume from Santa María's Santiaguito lava dome complex rose to an altitude of 4.6 km (15,000 ft) a.s.l. and drifted SW on 25 April. On 28 April, INSIVUMEH reported that weak explosions produced ash plumes that rose to an altitude of 4.1 km (13,500 ft) ...............................................GUATEMALA - Pacaya volcanoMay 9th, 2008As of the 9th of May, the National Institute Of Sismología, Volcanology, Meteorology And Hidrologia, (INSIVUMEH) has reported that the seismic activity that is registered in PCG is of superficial events associated with small explosions and tremor for moments (vibration internal) due to the exit and drag lava flows. On the Mackenney crater, white fumarole of water steam stays mainly and volcanic gases, the plume moves towards the west of the volcano. The lava flows, continue fed by fissures in the part the northwest on the volcano, flowing within the plateaus these, constantly change of direction and size, in front of the Cerro Chino, reaching of 150 to 250 metres in length.........................................................COLOMBIA - Galeras volcanoMay 9th, 2008As of the 7th of May, the Observatory Vulcanológico and Sismológico de Pasto - INGEOMINAS, informed that the predominant seismicity was associate with flowed processes of dynamics of of hydrothermal and magmatic origin which was concordant with the observations of the column of gas discharge that reached heights of up to 1700 m and which it could be appraised from the city of San Juan de Pasto and neighbouring populations, in addition to an increase in the flow of SO 2 emissions. The volcano stands out with an increase in the occurrence of earthquakes that jointly involve processes of dynamics of fluid and fracturing of cortical material that demonstrates contemplated own changes within the present behaviour of the volcanic activity. ............................................................COLOMBIA - Nevado del Huila volcanoMay 9th, 2008As of the 8th of May, the National Institute Of Sismología, Volcanology, Meteorology And Hidrologia, INGEOMINAS reported that during the week of the 30th of April to the 6th of May, a total of 147 seismic events was registered. Of them, 64 are related to fracturing of rock, 71 with the dynamics of flowed within the volcanic conduits, 5 with mechanisms composed of fluid fracture and movement of and 7 pulses of tremor of low magnitude. In today a fly over was made to the volcanic complex. Although the direct visualisation of flanks NE was impossible and NW of the complex, did not demonstrate superficial changes significant associate with the activity of the volcano. In the visual inspection, fumarolic activity with dispersion was observed towards the NW flank. ....................................................PERU - Ubinas volcanoMay 4th, 2008A Based on SIGMET reports and observations of satellite imagery, the Buenos Aires VAAC reported that ash plumes from Ubinas rose to altitudes of 5.5-9.1 km (18,000-30,000 ft) a.s.l. and drifted NE, E, and SE during 30 April-3 May. According to news articles, an ash-and-gas plume rose to an altitude of 6.2 km (20,300 ft) a.s.l. on 2 May. Ashfall was reported in local communities and dozens of residents of Querapi, about 4.5 km SE, were evacuated. ....................................................RUSSIA - Bezymianny volcano (Kamtchatka)May 9th , 2008As of the 9th of May, the Kamchatkan Volcanic Eruption Response Team (KVERT) has reported that growth of the lava dome continues. A viscous lava flow is effusing at the lava dome. Sudden ash emission related to this activity could affect low-flying aircraft in the vicinity of the volcano. Seismic activity was at the background levels all week. According to visual and video data, a weak and moderate fumarolic activity was noted on May 5-6th and 8th. Clouds obscured the volcano in the other days. According to satellite data, a thermal anomaly was registered over the lava dome on May 5-8th. .......................................................RUSSIA - Sheveluch volcano ( Kamchatka) May 9th, 2008As of the 9th of May, the Kamchatkan Volcanic Eruption Response Team (KVERT) has reported that seismic activity of the volcano decreased but continues and ash explosions up to 10 km (32,800 ft.) ASL could occur at any time. The activity of the volcano could affect international and low-flying aircraft. Seismicity was slightly above background levels on May 5th, and at the background levels in the other days. According to seismic data, probably small hot avalanches continues to occurred at the lava dome. According to visual and video data, a weak and moderate fumarolic activity was noted on May 5-6th and 8th. Clouds obscured the volcano in the other days. According to satellite data, a bright thermal anomaly was registered over the lava dome on May 5-8th. Probably an extrusion of the viscose lava into the dome continues and explosions could occur at any time..........................................................RUSSIA - Karymsky volcano (Kamchatka)May 9th, 2008A s of the 9th of May , the Kamchatkan Volcanic Eruption Response Team (KVERT) has reported that activity of the volcano continues and ash explosions up to 6 km (or 19,700 ft.) ASL could occur at any time. The explosive activity of the volcano could affect low-flying aircraft in the vicinity of the volcano. Seismic activity was slightly above background levels on May 03 and 07, and at the background levels in the other days. According to seismic data, possible ash-gas explosions up to 3.0 km (9,800 ft) ASL occurred at the volcano on May 3rd and 7th. According to the data from AMC Yelizovo, an ash plume rising up to ~ 5.0 km (16,400 ft) ASL was observed by pilots of an international aircraft on May 6th. . ..............................................NEW ZEALAND - Ruapehu volcanoMay 13th, 2008As of 13th of May, IGNS reported that volcanic activity at New Zealand's Mount Ruapehu is increasing and an eruption could occur at any time, scientists warned on Tuesday. .....................................................PAPUA-NEW GUINEA - Rabaul volcanoMay 9th , 2008As of the 8th of May, the Rabaul Volcano Observatory (RVO) has reported that during 30 April-7 May ash plumes from multiple places inside Rabaul caldera's
n both sides of the border, pastures were blanketed in ash, a few animals tried to eat grass, and birds perched on trees looked like concrete statues."We don't think the ash is toxic, but we need to take into account the long-term effects on the digestive and respiratory systems of animals," said Christian Hepp, an agronomist for Chile's national institute of livestock studies, which is testing the soil of cow and sheep pastures clouded by ash.In Chile, evacuated residents complained of being thrown into a state of limbo, not knowing when, or if, they would be able to return.Chaiten has shot a towering plume of ash 12 miles (20 km) into the sky, forcing thousands of people to evacuate within a 30-mile (50-km) radius.The column might descend gradually. But in a worst-case scenario, ash and molten rock would drop quickly and engulf the town of Chaiten, just 6 miles (10 km) from the volcano, killing everything in its path."We can't put anybody's life at risk," President Michelle Bachelet told weary evacuees huddled in shelters. (Additional reporting by Monica Vargas in Puerto Montt, Chile; writing by Terry Wade, editing by Vicki Allen)............................................USA - Kilauea volcano ( Hawaian islands)May 9th , 2008As of the 9th of May, it has been reported from the Hawaiian Volcano Observatory (HVO), that Kilauea Volcano is active at two locations. At the summit, production of small amounts of ash, elevated sulfur dioxide, and elevated seismic tremor continued from the Halema`uma`u vent. At the east rift eruption site, lava flowed through tubes to the ocean. L ast 24 hours at Kilauea summit: Molten lava may reside at shallow depth within the new vent. A white plume continued to issue from the vent in Halemaumau Crater and was being blown southwesterly. Small amounts of ash continue to be found each morning in collectors beneath the plume; this morning, the ash was wet from overnight rainfall. Overnight, the view of the vent was quite good before the fog rolled in. The SO 2 emission rate remained high; the most recent average measurement (May 7th) was 1,100 tonnes/day compared to a background rate between 150-200 tonnes/day. The summit tiltmeter network recorded weak deflation. Seismic tremor levels remained at elevated values. GPS receivers on opposite sides of the summit caldera recorded no extension or contraction above measurement error. Two earthquakes were located beneath the summit caldera, three on south flank faults, and one on the southwest seismic rift zone. As of the 25th of April, it has been reported from the Hawaiian Volcano Observatory (HVO), that Kilauea Volcano is still active at two locations. The current increase in sulfur dioxide emission rates at the summit means that SO2 concentrations in the air are likely to be at hazardous levels for areas downwind of emission sources in Halema`uma`u crater. On Wednesday, smoke and ash poured from the main crater of Kilauea volcano and elevated levels of sulfur dioxide from the volcano summit vent forced the evacuation of Hawaii Volcanoes National Park for the second time this month including .................................................U.S.A. - Mauna Loa ( Hawaii)As of the 27th of April, the Hawaiian Volcano Observatory (HVO) has reported extension has has resumed after a hiatus of a few weeks. The network of continuous GPS receivers recorded extension in the past week. Tiltmeters have recorded no significant changes. Gas sensors continued to record background gas concentrations within a crack in the crater floor; the fumarole temperature decreased a little more than 3 degrees C since the beginning of February. Over the past 6 months, our GPS network has recorded nearly 1 cm of extension across the caldera and 2 cm of extension across the flanks. Beginning around December 1, 2006, extension slowed further but resumed pre-December rates by mid month. Slow inflation continues. Tiltmeters have recorded no significant changes. Mauna Loa remains seismically quiet with few earthquakes occurring beneath the summit and the Ka`oiki seismic zone on the east flank. Since the beginning of January, 2005, HVO analysts have rarely located more than 10 earthquakes per week beneath Mauna Loa summit. Of the located earthquakes, less than a handful are Long-period in nature. Network status: -two tiltmeters are down, five are working properly; -GPS network is working properly; -seismic network is working properly; -gas sensors are not working properly. The colour code at Mauna Loa is currently at YELLOW. ................................................USA - Veniaminoff volcano (Alaska)As of the 25th of April, the Alaska Volcano Observatory (AVO) has reported that seismic activity shows that seismic data show that low level volcanic unrest continues at Mt. Veniaminof volcano. Clear web cam views of Mt. Veniaminof volcano show light steaming continues. No activity was observed in mostly clear satellite views. AVO will continue to monitor activity at Mt. Veniaminof using seismic data, satellite images, internet camera data and observer reports. Massive Veniaminof volcano, one of the highest and largest volcanoes on the Alaska Peninsula, is truncated by a steep-walled, 8 x 11 km, glacier-filled caldera that formed around 3700 years ago. The caldera rim is up to 520 m high on the north, is deeply notched on the west by Cone Glacier, and is covered by an ice sheet on the south. Post-caldera vents are located along a NW-SE zone bisecting the caldera that extends 55 km from near the Bering Sea coast, across the caldera, and down the Pacific flank. Historical eruptions probably all originated from the westernmost and most prominent of two intra-caldera cones, which reaches an elevation of 2156 m and rises about 300 m above the surrounding icefield. The other cone is larger, and has a summit crater or caldera that may reach 2.5 km in diameter, but is more subdued and barely rises above the glacier surface. ........................................................USA - Mount Cleveland volcano (Aleutian islands)May 9th, 2008As of the 9th of May, the Alaska Volcano Obsetrvatory (AVO) reported that last night, a small, low-altitude (less than 15,000ft) ash cloud was observed in satellite images from 1600hrs AKDT, May 7th (0000UTC, May 8th) until about 2300hrs AKDT, May 7th (0700UTC, May 8th). A ship north of Nikolski reported light ashfall occurring about 2000hrs AKDT. No other ash clouds have been observed. No new thermal activity was observed at Cleveland, though the current conditions are very cloudy. AVO monitors Mt. Cleveland volcano with satellite imagery as weather allows. The lack of a real-time seismic network at Mt. Cleveland means that AVO is unable to track local earthquake activity related to volcanic unrest. Short-lived explosions of ash that could exceed 20,000 ft above sea level can occur without warning and may go undetected on satellite imagery. Two pilots reported an eruption of Mt. Cleveland volcano in Alaska at 1630 hr, local time, on Friday, the 8th of February. Ash reached 20,000 ft and drifted NW. A diffuse low-level plume was observed earlier in satellite images. There is no seismic monitoring at the volcano. Mt. Cleveland volcano had one eruption in 2007, and four in 2006. A possible thermal anomaly was observed in satellite imagery last night. No other activity was reported. ..............................................................ECUADOR - Tungurahua volcanoMay 9th, 2008As of the 9th of May, the Instituto Geofísico (IG) has reported that the seismicity is similar to the previous days, associated to movement of fluids, appearing additionally 2 little power explosions. Ash falls in the environs, noises, rains nor lahars have not been reported. The IG reported that a total of 41 events of long period (LP's) and 73 episodes of tremor of continuous emission, 2 explosions 0331hrs, DR=1.47, have been registered one at 0916hrs, and the other with a DR= 2.38. The emissions observed, with ash mean load, reached heights smaller 1 km on the summit, with preferred directions to the west. The climatic conditions around the summit of the volcano you have been cloudy and partially cloudy. As of the 7th of May, the IG reported that although visual observations were occasionally limited due to cloud cover during 29 April-6 May, ash-and-steam plumes from Tungurahua were spotted and generally rose to altitudes of 5.5-7 km (18,000-23,000 ft) a.s.l. Ashfall was reported in areas to the SW and W during 29 April-1 May and on 4 May. On 30 April, explosions produced steam-and-ash plumes to altitudes of 9-10 km (29,500-32,800 ft) a.s.l. Incandescence at the summit was visible and incandescent blocks rolled down the flanks. Roaring noises were audible. On 1 May, explosions were accompanied by "cannon shots" and intense incandescence at the summit. Windows vibrated in areas 6 km NE. Incandescent blocks rolled 1 km down the flanks. On 3 May, a small lahar descended the W flank. As of the 2nd of May, the Instituto Geofísico (IG) has reported that at night yesterday 1st of May, incandescence in the zone of the crater was observed. This day, the ash fall was reported in the population of Pillate. The volcano continues showing signals of gas discharge and ash and two explosions of moderate size were registered. Lahars have not taken place. The IG also reported for seismicity a total of 55 LP`s events which has been entered, 2 episodes of tremor of emission and two explosions. The explosion of greater size happened at 0157hrs of today. Ash, emissions and observations. At night yesterday, intense brightness in the zone of the crater and rolling of incandescent blocks by flanks of the volcano was observed. At dawn and today the ash fall was reported in the population of Pillate. As of the 25th of April, IG reported that the seismic activity continues such in levels of activity of the previous days and it is characterised by an important number of events that indicate movement of fluids. Unlike the previous days the explosions have caused clear signals audible that they have caused vibrating of large windows and the ground in the environs. .....................................................MONTSERRAT - Soufriere Hills volcano - West-IndiesMay 9th, 2008Report for the period from 5th of April to 7th of May 2008- As of the 7th of May, the Monstserrat Volcano Observatory (MVO) reported that there was a small pyroclastic flow on the eastern flank of the Soufriere Hills volcano at 0200hrs on Monday 5th May. Light ashfall was reported in the Old Town area. The flow may have been triggered by very heavy rainfall at the time, which also generated lahars. A brief swarm of volcano-tectonic earthquakes occurred at the same time as the flow. These were located at a very shallow depth beneath the dome. The alert level remains at 4. As of the 26th of April, MVO reported that the pause in dome growth at the Soufriere Hills Volcano continues.......................................................MEXICO - Popocatepetl volcanoMay 9th, 2008As of the 9th of May, the El Centro Nacional de Prevención de Desastres de la Secretaría de Gobernación (CENAPRED) has reported that in the last 24 hours the monitoring system again detected 3 exhalations acompanied by steam and gas. Also, yesterday at 1543hrs (local time), a volcano-tectonic earthquake was detected with magnitude 2.3. The other monitored parameters remain without important changes. At the moment of this report CENAPRED does not have visibility due to clouds. During previous hours a steam and gas emission was observed. From high to low probability the expected activity scenarios in the next hours, days or weeks are: moderate exhalations, some with ash emissions; occasionally mild incandescence during nights and sporadic low level explosions with low probabilities of incandescent fragment at short distance to the crater. There is a permanent monitoring of the volcano to detect any change........................................................MEXICO - Colima volcanoMay 9th, 2008As of the 9th of May, the Government of the State, through the State Unit of Civil Defence-Colima reports that in the last 24 hours, the monitoring of the Colima volcano that the equipment of monitoring of the Colima volcano registered two exhalations during last the twenty-four hours, without any reports on damages or affectation in the adjacent populations, informed the Government into the State, through the State Unit of Civil Defence Colima. Y..................................................GUATEMALA - Fuego volcanoMay 9th, 2008As of the 9th of May, the National Institute Of Sismología, Volcanology, Meteorology And Hidrologia, (INSIVUMEH) has reported that activity was characterized with weak Fumaroles to low height in direction the northwest. In the course at night they have been observed and heard were 13 explosions accompanied by moderate rumblings, generating sensible shock waves to several kilometres of the volcano, also degassing sounds similar to turbines of airplane by lapses of 10 minutes were heard. The explosions have been weak, moderate and strong, expelling gray ash to 300 to 900 metres, on the crater, forming columns of 7 kilometres in length, moving to the west. Constant avalanches of blocks on the ravine Santa Teresa. As of the 1st of May, INSIVUMEH reported that the Washington VAAC reported that an ash plume from Fuego was visible on satellite imagery on 23 April and drifted SW. Fuego, one of Central America's most active volcanoes, is one of three large stratovolcanoes overlooking Guatemala's former capital, Antigua. Frequent vigorous historical eruptions have been recorded since 1524 and have produced major ashfalls, along with occasional pyroclastic flows and lava flows. The last major explosive eruption from Fuego took place in 1974, producing spectacular pyroclastic flows visible from Antigua. From (INSIVUMEH)......................................................GUATEMALA - Santa Maria - SantiaguitoMay 9th, 2008As of the 9th of May, the National Institute Of Sismología, Volcanology, Meteorology And Hidrologia, (INSIVUMEH) has reported that activity observed was a moderate explosion expelling gray ash 700 metres of height moving to the southwest, on the zone of Palajunoj. In the crater of the Domo Caliente, with abundant degassing. As of the 1st of May, INSIVUMEH reported that based on observations of satellite imagery, the Washington VAAC reported that an ash plume from Santa María's Santiaguito lava dome complex rose to an altitude of 4.6 km (15,000 ft) a.s.l. and drifted SW on 25 April. On 28 April, INSIVUMEH reported that weak explosions produced ash plumes that rose to an altitude of 4.1 km (13,500 ft) ...............................................GUATEMALA - Pacaya volcanoMay 9th, 2008As of the 9th of May, the National Institute Of Sismología, Volcanology, Meteorology And Hidrologia, (INSIVUMEH) has reported that the seismic activity that is registered in PCG is of superficial events associated with small explosions and tremor for moments (vibration internal) due to the exit and drag lava flows. On the Mackenney crater, white fumarole of water steam stays mainly and volcanic gases, the plume moves towards the west of the volcano. The lava flows, continue fed by fissures in the part the northwest on the volcano, flowing within the plateaus these, constantly change of direction and size, in front of the Cerro Chino, reaching of 150 to 250 metres in length.........................................................COLOMBIA - Galeras volcanoMay 9th, 2008As of the 7th of May, the Observatory Vulcanológico and Sismológico de Pasto - INGEOMINAS, informed that the predominant seismicity was associate with flowed processes of dynamics of of hydrothermal and magmatic origin which was concordant with the observations of the column of gas discharge that reached heights of up to 1700 m and which it could be appraised from the city of San Juan de Pasto and neighbouring populations, in addition to an increase in the flow of SO 2 emissions. The volcano stands out with an increase in the occurrence of earthquakes that jointly involve processes of dynamics of fluid and fracturing of cortical material that demonstrates contemplated own changes within the present behaviour of the volcanic activity. ............................................................COLOMBIA - Nevado del Huila volcanoMay 9th, 2008As of the 8th of May, the National Institute Of Sismología, Volcanology, Meteorology And Hidrologia, INGEOMINAS reported that during the week of the 30th of April to the 6th of May, a total of 147 seismic events was registered. Of them, 64 are related to fracturing of rock, 71 with the dynamics of flowed within the volcanic conduits, 5 with mechanisms composed of fluid fracture and movement of and 7 pulses of tremor of low magnitude. In today a fly over was made to the volcanic complex. Although the direct visualisation of flanks NE was impossible and NW of the complex, did not demonstrate superficial changes significant associate with the activity of the volcano. In the visual inspection, fumarolic activity with dispersion was observed towards the NW flank. ....................................................PERU - Ubinas volcanoMay 4th, 2008A Based on SIGMET reports and observations of satellite imagery, the Buenos Aires VAAC reported that ash plumes from Ubinas rose to altitudes of 5.5-9.1 km (18,000-30,000 ft) a.s.l. and drifted NE, E, and SE during 30 April-3 May. According to news articles, an ash-and-gas plume rose to an altitude of 6.2 km (20,300 ft) a.s.l. on 2 May. Ashfall was reported in local communities and dozens of residents of Querapi, about 4.5 km SE, were evacuated. ....................................................RUSSIA - Bezymianny volcano (Kamtchatka)May 9th , 2008As of the 9th of May, the Kamchatkan Volcanic Eruption Response Team (KVERT) has reported that growth of the lava dome continues. A viscous lava flow is effusing at the lava dome. Sudden ash emission related to this activity could affect low-flying aircraft in the vicinity of the volcano. Seismic activity was at the background levels all week. According to visual and video data, a weak and moderate fumarolic activity was noted on May 5-6th and 8th. Clouds obscured the volcano in the other days. According to satellite data, a thermal anomaly was registered over the lava dome on May 5-8th. .......................................................RUSSIA - Sheveluch volcano ( Kamchatka) May 9th, 2008As of the 9th of May, the Kamchatkan Volcanic Eruption Response Team (KVERT) has reported that seismic activity of the volcano decreased but continues and ash explosions up to 10 km (32,800 ft.) ASL could occur at any time. The activity of the volcano could affect international and low-flying aircraft. Seismicity was slightly above background levels on May 5th, and at the background levels in the other days. According to seismic data, probably small hot avalanches continues to occurred at the lava dome. According to visual and video data, a weak and moderate fumarolic activity was noted on May 5-6th and 8th. Clouds obscured the volcano in the other days. According to satellite data, a bright thermal anomaly was registered over the lava dome on May 5-8th. Probably an extrusion of the viscose lava into the dome continues and explosions could occur at any time..........................................................RUSSIA - Karymsky volcano (Kamchatka)May 9th, 2008A s of the 9th of May , the Kamchatkan Volcanic Eruption Response Team (KVERT) has reported that activity of the volcano continues and ash explosions up to 6 km (or 19,700 ft.) ASL could occur at any time. The explosive activity of the volcano could affect low-flying aircraft in the vicinity of the volcano. Seismic activity was slightly above background levels on May 03 and 07, and at the background levels in the other days. According to seismic data, possible ash-gas explosions up to 3.0 km (9,800 ft) ASL occurred at the volcano on May 3rd and 7th. According to the data from AMC Yelizovo, an ash plume rising up to ~ 5.0 km (16,400 ft) ASL was observed by pilots of an international aircraft on May 6th. . ..............................................NEW ZEALAND - Ruapehu volcanoMay 13th, 2008As of 13th of May, IGNS reported that volcanic activity at New Zealand's Mount Ruapehu is increasing and an eruption could occur at any time, scientists warned on Tuesday. .....................................................PAPUA-NEW GUINEA - Rabaul volcanoMay 9th , 2008As of the 8th of May, the Rabaul Volcano Observatory (RVO) has reported that during 30 April-7 May ash plumes from multiple places inside Rabaul caldera's
