Reply To: CA is famous for earthquakes and wildfires — but don’t forget about its v

[Anonymous]

” relatively young Mono Craters, which last erupted in the middle ages, and the Long Valley Caldera, which produced a supereruption that splattered ash across the southwestern U.S. 760,000 years ago.”

I was not aware that was another supervolcano in the US. Wikipedia shows several  https://en.wikipedia.org/wiki/Supervolcano