Having once toured the trail of the San Andreas rupture line south and north of San Francisco this aerial view of a surface rupture has great value. And WOW!
Cascade calderas- I’m interviewed by Nick Zentner on YouTube.
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Nick Zentner picked my brain on February 18 about calderas in the Cascades.
He posted the video here. It was a lot of fun. I talked about the Hannegan
and ...
13 hours ago
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