Cascadia Subduction Zone. I never heard of it until a year and a half ago. Forty years ago, nobody knew of it. WHEN it goes off, my fish keeping will come to an end, since my house will be destroyed. If I should survive the earthquake and resulting tsunami, I can plan on not going any where as all the bridges will be down. There will be no electricity or water to my area for six months or more. I had heard about the San Andreas Fault for most of my life--it is nothing compared to Cascadia which those in the know say is associated with the ring of fire--just what we need is volcanos on the west coast to become active...
The author of this article won a Pulitzer Prize for this:
https://www.newyorker.com/magazine/2015/07/20/the-really-big-one
Our little local water community services district needs to shore up a hillside and upgrade to a bigger tank. To get grants and funding for this project, the community neighbor hoods are being organized and trained for emergency/disasters. There are all kinds of disaster plans, including FEMA plans. When Cascadia goes off, the plan is to drop emergency food and supplies to an air strip located over 20 miles inland. I thought that was sort of weird, since our town has an airport.....then I remembered that the town will be wiped out by the tsunami....a poor town that sustained major destruction from tidal waves in 1964 following the Alaska earthquake.
There are many documentaries on Cascadia Subduction Zone. Here's one the BBC did:
Time to become a serious doomsday prepper.