That is something that’s never occurred and they been saying that for decades. For that matter you could say the same thing about Yellowstone or the new Madrid fault in the Midwest.
Fact is in modern America more folks die in hurricanes, tornadoes and weather related events than earthquakes.
“That is something that’s never occurred and they been saying that for decades.”
That Cascadia Fault earthquake occurs on average every 300 years.
Last one was 316 years ago.