The Cascadia subduction zone

[Shiloh]

Source: http://www.newyorker.com/magazine/2015/07/20/the-really-big-one


Annals of Seismology July 20, 2015 Issue
The Really Big One
An earthquake will destroy a sizable portion of the coastal Northwest. The question is when.
By Kathryn Schulz

When the 2011 earthquake and tsunami struck Tohoku, Japan, Chris Goldfinger was two hundred miles away, in the city of Kashiwa, at an international meeting on seismology. As the shaking started, everyone in the room began to laugh. Earthquakes are common in Japan?that one was the third of the week?and the participants were, after all, at a seismology conference. Then everyone in the room checked the time...

 

[Emily]

[h=1]Juan de Fuca plate is making moves[/h]

• Aug 19, 2015 at 12:00PM

Big changes are coming.
Paralleling the western coastline for about 800 miles from northern California to southern British Columbia, the heavy Juan de Fuca plate is slipping beneath the North American plate.
...

Officials with Washington State National Guard anticipate nearly all hospitals, schools and senior centers within Region 2 (Clallam, Jefferson and Kitsap counties) to be destroyed and the event to leave thousands of people with little to no communication, electricity or means of transportation as all bridges are to be impassable.
...
The next step to moving the plan forward is to conduct a full function exercise, known as Cascadia Rising, scheduled June 7-10, 2016...

http://www.sequimgazette.com/news/322309681.html#

It's still the Seattle Fault zone that concerns me most. You can read this article for free if you download the PDF.

[h=1]SUBMERGED FOREST IN LAKE SAMAMISH; Trees a Hundred Feet Tall Standing Upright in the Water.[/h] [h=6]From The Seattle (Washington) Times. ();[/h] [h=6]August 06, 1895,[/h]