Cascadia subduction zone
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Search complete. 10 mentions across 6 episodes found for "Cascadia subduction zone".
Sep 23, 2026
Glenn TateHOST
Is that right, Ian?
IanGUEST
Yeah, the San Andreas Fault actually stretches all the way up into the Pacific, and where it enters the water, they start calling it the Cascadia Fault, as you guys know.
IanGUEST
And the Cascadia Fault is actually on the west coast of Vancouver Island, which is actually where I live.
IanGUEST
So, yeah, it's certainly one that's on the forefront of my mind.
Shelby GallagherHOST
Well, one of the things that I just, if I can jump in, speaking of West Coast, Canadian West Coast, I remember a few years ago, and we're speaking as Glenn and I on the West Coast of Washington State, we were breathing y'all's smoke.
Glenn TateHOST
Is that right, Ian?
IanGUEST
Yeah, the San Andreas Fault actually stretches all the way up into the Pacific, and where it enters the water, they start calling it the Cascadia Fault, as you guys know.
IanGUEST
And the Cascadia Fault is actually on the west coast of Vancouver Island, which is actually where I live.
IanGUEST
So, yeah, it's certainly one that's on the forefront of my mind.
Shelby GallagherHOST
Well, one of the things that I just, if I can jump in, speaking of West Coast, Canadian West Coast, I remember a few years ago, and we're speaking as Glenn and I on the West Coast of Washington State, we were breathing y'all's smoke.
RobHOST
No. Enlighten me.
MonicaHOST
So there is a fault line, the Cascadia subduction zone that runs from like Vancouver, Canada, all the way down to Northern California, south of the Pacific Northwest.
MonicaHOST
And that last went off in like 1700, it caused like major tsunamis that created the ghost forest in Niskoan and other places and massive tsunami.
MonicaHOST
Right.
Bryan BlackGUEST
There are lots of energetic events in the Pacific Northwest.
Bryan BlackGUEST
One, we have the Cascadia Subduction Zone, which causes magnitude 9 earthquakes and 50-foot-plus tsunamis that recurs periodically.
Bryan BlackGUEST
It kills trees.
Bryan BlackGUEST
The Seattle Fault, the Saddle Mountain Fault, shallow crustal faults in the greater Puget Sound region, they're energetic and kill trees.
Loke SaintHOST
The Pacific Ocean is experiencing record-breaking temperatures, with surface waters reaching unprecedented highs.
Loke SaintHOST
Now, Unfortunately, I need to talk about the area in which I live, the Cascadia Subduction Zone, as we are long overdue for the great megathrust earthquake of the Pacific Northwest here, which is said to not have struck since 1700.
Loke SaintHOST
And scientists believe it strikes here every 200 years, which means we are long overdue for one.
Loke SaintHOST
They are estimating that a 9.0 to 12.0 earthquake will hit and that it will cause the Juan de Fuca plates to slip, triggering a 1,000-foot tsunami to strike our coastline here in Washington State, Oregon, and California.
speaker_2SOUNDBITE_SPEAKER
West Coast is due for a much bigger quake, the largest one the U.S., as we know it, has ever seen.
speaker_2SOUNDBITE_SPEAKER
And it has a unique quality that makes it especially deadly.
speaker_6SOUNDBITE_SPEAKER
The Cascadia subduction zone is a fault that is offshore of the Pacific Northwest.
speaker_6SOUNDBITE_SPEAKER
It's about 700 miles long, and it's a place where two tectonic plates are colliding.
Andy RevkinHOST
Um, to, to me, in a way this feels like, um, you know, I've written a lot about earthquake risk too, where you, you...
Andy RevkinHOST
The Cascadia Fault in the Pacific Northwest is inevitably gonna generate a m- monstrous quake.
Andy RevkinHOST
But we don't know.
Andy RevkinHOST
R- robustly, we don't know w- how soon that could be.