Here’s what we 100% know for sure happened when the day of Gods vengeance started.
Psa 18:4 The sorrows of death compassed me, and the floods of ungodly men made me afraid.
Jesus dies on the cross.
Psa 18:5 The sorrows of hell compassed me about: the snares of death prevented me.
Jesus in hell.
Psa 18:6 In my distress I called upon the LORD, and cried unto my God: he heard my voice out of his temple, and my cry came before him, even into his ears.
The resurrection of Jesus.
Psa 18:7 Then the earth shook and trembled; the foundations also of the hills moved and were shaken, because he was wroth.
The earthquake at the resurrection of Jesus.
Psa 18:8 There went up a smoke out of his nostrils, and fire out of his mouth devoured: coals were kindled by it.
Psa 18:9 He bowed the heavens also, and came down: and darkness was under his feet.
Verses 8 and 9 God came to earth to avenge the murder of his son.
Psa 18:10 And he rode upon a cherub, and did fly: yea, he did fly upon the wings of the wind.
Psa 18:11 He made darkness his secret place; his pavilion round about him were dark waters and thick clouds of the skies.
Psa 18:12 At the brightness that was before him his thick clouds passed, hail stones and coals of fire.
Psa 18:13 The LORD also thundered in the heavens, and the Highest gave his voice; hail stones and coals of fire.
Psa 18:14 Yea, he sent out his arrows, and scattered them; and he shot out lightnings, and discomfited them.
Psa 18:15 Then the channels of waters were seen, and the foundations of the world were discovered at thy rebuke, O LORD, at the blast of the breath of thy nostrils.
Verses 10-15 God is pouring out his wrath on the earth.
I personally don’t see 70 AD anywhere in those verses.