Thanks metmom, something to watch near bedtime!
It’s a fascinating video.
I lent it to a homeschooling friend of ours whose husband was a PhD in geology and he even showed it to his students in class.
From the documentary, according to the commander @ Clark AFB, General Studer, he and the last group evacuated Clark after one of the geologists ran by the General and said “General, you’d better put jam in your pockets ‘cause we’re all about to be toast......”