“I know its wiki but there are a lot of volcanoes which haven’t erupted in a long long time and I wonder if they could be the reason for all these mini quakes in the west and mid-south”
The presence of a volcano indicates a fracture in the Earth’s crust along which earthquakes are generated. There are far more fractures in the Earth where there are no volcanoes. Many of the Earthquakes in the Midwest are associated with an ancient and buried continental rift along today’s Mississippi River valley. Wherever there is a significant sized river, you’ll typically find a fracture in the Earth’s crust. It is the presence of the fracture which encourages water to run downhill to fill the fracture area and form streams and rivers. Anywhere there is a significant fracture in the crust, there is the opportunity for the fault blocks to shift and generate an earthquake.
Tonight’s earthquake in the vicinity of Victoria, British Columbia, Canada is very likely to be associated with the stress on the continental plates caused by the Pacific continental plate and/or the Juan de Fuca plate diving and melting beneath the North American continental plate. The volcanoes in the Cascade Mountain Range are created by the melting of the marine plate diving underneath the North American plate, melting, and then bubbling up and melting through the crust to form the volcanoes and mountain range.
The Pacific Northwest region is due for another record setting earthquake causing the ground to leap several feet into the air and shake for many minutes at a time, causing mammoth levels of destruction.
Fascinating and a bit scary since Memphis is in the path of the new madrid fault line. I get a bit nervous whenever Arkansas get a tiny shake...that scares me more than tornados!
fyi, Oklahoma has had over 5 small quakes in the past couple of days
You’re just full of good news :p. ( I know we’re due for the big one, just wish the Lord would see fit to saving us from it for another 400 years!)
If - and more likely when - the Cascadia Subduction Zone rips, it’s gonna be ugly. The last ‘big one’ was back in 1700; they were able to assign a date based on an orphan tsunami that hit Japan following that quake: https://en.wikipedia.org/wiki/1700_Cascadia_earthquake
I used to live in the Portland, OR area, and if a megathrust earthquake hit, let’s say, in the not-too-distant future, there’s going to be a hell of a lot of damage and loss of life. And that’s not even mentioning the coastal areas in the tsunami inundation zone - that’ll be pretty much universal destruction.
We had a 4.4 at 4:48 yesterday afternoon just s.w. of the Devore pass in southern California. My motor home bounced through it and all three after shocks without stopping.