Handley_Page
Draco interdum Vincit
- Joined
- Aug 18, 2007
- Posts
- 78,250
Long faults produce long, strong quakes. The 2011 Tōhoku (Fukushima) 9.1 quake lasted awhile. At a nearby seismologists' conference, all attendees whipped out their watches when the shaking started -- and freaked after three minutes.
That fault was lengthy. The Cascadia fault just off Oregon and Washington is longer; the next quake will be worse. When it slips, probably everything near and west of the I-5 highway in those states will go away. Say bye-bye to Portland, Seattle, et al. No, we won't move to Astoria.
I've mostly been elsewhere during big shakes, missing the excitement. That's fine with me. Hint: Live atop a thick rocky outcrop. Build not on sediment.
The ancient Chinese used to refer to that as "build on the Dragon's back".