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Earthquake domino-effect

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By scooby

 This is a very interesting claim : that a devastating earthquake in the Pacific Northwest, could also trigger an earthquake on the San Andreas, perhaps one might suppose even affecting the entire West Coast of the United States.


https://phys.org/news/2025-10-cascadia-megathrust-earthquake-trigger-san.html

Comments

Anonymous said…
At this point it also makes sense to bring up the volcanic hazard -- in some cases volcanos can be influenced by seismic activity:

https://www.usgs.gov/faqs/can-earthquakes-trigger-volcanic-eruptions

https://survivingcascadia.com/volcanoes/
10/04/2025 5:10 AM
Anonymous said…
Sounds like the same fear that some had before the Trinity Test--the infinite fision glitch. If it could happen, it would have happened already and geologists would know about it. Somehow I think this seismic perpetual motion machine is going to run out of steam before the world turns into a giant self-sustaining oscillator.
10/05/2025 1:43 PM
Anonymous said…
1:43 -- there is actual evidence for large earthquakes triggering volcanoes, see these two cases for example in other parts of the world

https://en.wikipedia.org/wiki/1960_Valdivia_earthquake
https://en.wikipedia.org/wiki/2025_Kamchatka_earthquake

According to a chatbot, though, the oral traditions of Pacific Northwest tribes do not directly connect tsunami activity (as produced in a large subduction zone earthquake) with volcanism, although they do connect seismic activity with volcanism that is presumably the shaking around the volcano itself.

Of course, some people have speculated that a large earthquake could cause catastrophic landslides or lahars on Mt Rainier, (even without an eruption) with consequences that could be perhaps similar to the Armero disaster in Columbia:

https://en.wikipedia.org/wiki/Armero_tragedy
10/06/2025 2:56 AM
Anonymous said…
Scientists warn California should prepare for destructive 'supershear' earthquakes

https://phys.org/news/2025-09-scientists-california-destructive-supershear-earthquakes.html
10/07/2025 3:30 PM
Anonymous said…
Evidently what could compound the disaster would be the disfunction in FEMA after their policies were reformed by the Drumpf administration:

https://www.texasstandard.org/stories/texas-july-4-flood-fema-response-richardson-investigation/
10/09/2025 6:47 PM
Anonymous said…
You'll own nothing and be happy!
10/10/2025 4:23 PM
Anonymous said…
This is also an interesting article about how flooding can affect California, Oregon, and some of the Southwestern states:

https://www.usgs.gov/centers/pcmsc/news/arkstorm-californias-other-big-one

https://en.wikipedia.org/wiki/Great_Flood_of_1862

https://youtu.be/drLPo1bPvJc?si=pzmbqDUpygu42i7v

This could have an economic impact even higher than an earthquake scenario, and it is known to happen every few hundred years. Many homes and buildings could be flooded, washed away, or even completely under water.
10/13/2025 3:23 PM
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