Dec 18 Eruption Anniversary and Year End Livestream with Geologist Shawn Willsey
1:28:31
LIVESTREAM Update On Iceland And Ethiopia With Geologist Shawn Willsey
1:19:35
Iceland Eruption Drone Flight with Geologist Shawn Willsey
40:40
Iceland's Amazing Geology Explained: Volcanism, Tectonics, and Glaciers
43:39
33. How to Identify Rocks
13:31
How Scientists Solved the Mystery of a 300-Year-Old Megaquake
1:59:15
E. Siletzia & Swauk
2:00:41
Stephen Wolfram on Observer Theory
39:51