Originally Posted by freewilly
hopefully not in my lifetime
Sounds like you will get your wish.
". . . giving an estimate of a recurrence interval for large and megathrust earthquakes of about 500 years. However, it appears that the time between major shaking events can stretch up to about a 1,000 years. . . "
"The last megathrust earthquake originating from the Cascadia subduction zone occurred in 1700 AD. Therefore, we are now in the risk zone of another earthquake. Even though it could be tomorrow or perhaps even centuries before it occurs, . . . "
With the average age of civilizations being 500 years it's hard to say which will collapse first.