lots of rumbling...
https://www.pnsn.org/volcanoes/mount-rainier
Worth learning about: The Pacific North West subduction zone is a bomb that resets itself every 200 to 900 years.
https://en.wikipedia.org/wiki/Cascadia_subduction_zone
The last big one:
https://en.wikipedia.org/wiki/1700_Cascadia_earthquake
(kinda cool that they know the exact date!)