Vog is volcanic smog, and thanks to Kilauea’s longstanding eruption, there’s a lot of it in Hawaii right now. But this video from the University of Hawaii also shows somebody climbing a snow-covered volcano, and someone else snowboarding. In Hawaii. Cool!
Yes, that is someone’s foot touching a moving lava flow without combusting. It’s a screenshot from this video – notice the person just lightly taps
Every volcano has its own chemistry. The chemistry of the “pozzolana” ash produced by Italy’s Campi Flegri is especially useful when the pressure builds up.
Time is a bit short this week, so today I am just sharing some USGS videos about volcanic hazards and Yellowstone volcano. (Be sure