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America's deadliest volcano enters unprecedented 72-hour tremor phase as eruption threat looms over millions
Daily Mail UK ^ | November 19, 2025 | CHRIS MELORE, US ASSISTANT SCIENCE EDITOR

Posted on 11/19/2025 6:10:02 AM PST by Red Badger

Washington's Mount Rainier has suddenly awoken and is buzzing with almost nonstop activity for days, stoking fears that an eruption could come soon.

This towering stratovolcano looms over more than 3.3 million people across the Seattle-Tacoma metro area, threatening to cripple entire communities with ashfall, flooding, and catastrophic mudflows if it erupts.

Since Saturday, Mount Rainier has been experiencing constant vibrations beneath the surface, thousands of tiny tremors blending into one another.

The constant seismic rumblings were detected by the Pacific Northwest Seismic Network (PNSN), where seismometers on Mount Rainier have recorded three straight days of nearly nonstop, high-energy seismic signals across the west flank of the volcano.

Unlike the seismic activity tied to major earthquakes, the patterns being seen in Washington look more like a volcanic tremor, a type of nonstop hum or roar that begins when magma, hot water, and gas move around inside a volcano.

It doesn't mean Mount Rainier is going to erupt at any moment, but it is a warning sign that volcanic activity could eventually build towards a critical level.

Geologists will be watching for key signs of this volcanic tremor escalating, including its severity increasing in the coming days, actual earthquakes starting inside the volcano, and the ground at Mount Rainier beginning to swell.

When this volcano eventually explodes, it won't be scorching lava flows or choking clouds of ash that threaten Americans, but the lahars: violent, fast-moving mudflows that can tear across entire communities in mere minutes.

Large lahars can crush, bury, or carry away almost anything in their paths, according to the US Geological Survey (USGS).

(Excerpt) Read more at dailymail.co.uk ...


TOPICS: History; Outdoors; Travel; Weather
KEYWORDS: mountrainier; volcano
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To: Red Badger

Waiting for the likely news reports that volcanic eruptions are due to climate change.


61 posted on 11/19/2025 7:50:03 AM PST by The Great RJ
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To: ProtectOurFreedom

I had to look up about every third word, but a fascinating description. Many thanks for taking the time ...


62 posted on 11/19/2025 7:50:28 AM PST by glennaro (2025: The year of America's rebirth as a Great (and Free) Republic)
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To: Clutch Martin; Red Badger

Now that would probably be the best indicator.


63 posted on 11/19/2025 7:52:52 AM PST by Retain Mike ( Sat Cong)
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To: hoagy62

we got a couple of inches of ash. If Rainier were to go, I almost expect that places closer to Rainier could see ashfall measured in feet ... Rainier’s big, but not that big.


Note: volcanic ash is just incinerated rock; feet of it will collapse roofs, buildings, freeway overpasses etc.

Mount Rainier ranks as the tallest volcano in the Cascade Range and the highest peak in the U.S. state of Washington, with an elevation of 14,409 feet (4,392 meters)


64 posted on 11/19/2025 7:56:22 AM PST by PIF (They came for me and mine ... now its your turn)
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To: PIF

Current PC/DEI name is Mt. Tahoma


I thought it was Mt. Wannahackaloogee.


65 posted on 11/19/2025 7:57:44 AM PST by dfwgator ("I am Charlie Kirk!")
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To: blackdog

Parking lots stop rain water from going directly into the soil and concentrate it in areas where it can erode the soil in another area.


66 posted on 11/19/2025 7:59:26 AM PST by Cold Heart
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To: dfwgator

No, it comes from the Puyallup Indian name of the mountain: Tahoma. Unlike the Wannahackaloogee name, it comes from the Twulshootseed language of the Puyallup Tribe. 🤣


67 posted on 11/19/2025 8:04:40 AM PST by PIF (They came for me and mine ... now its your turn)
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To: Red Badger

Sounds like an old story.


68 posted on 11/19/2025 8:07:54 AM PST by SkyDancer ( ~ Am Yisrael Chai ~)
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To: FroggyTheGremlim
The mountain is angry - wants its name to be Denali again.

I think that one is in Alaska, MT McKinley.

69 posted on 11/19/2025 8:22:13 AM PST by usurper (AI was born with a birth defect.)
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To: spincaster

I’m sure the decent people in those areas appreciate your happy anticipation of their deaths.


70 posted on 11/19/2025 8:25:16 AM PST by Jamestown1630 ("A Republic, if you can keep it.")
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To: Red Badger

Might be the best thing to ever happen to Seattle - buried like Pompeii in lava - the lefty policies can be burned and buried as well.

They can build a far better, freer, more prosperous - and cleaner - civilization on top of it.


71 posted on 11/19/2025 8:25:35 AM PST by Bon of Babble (You Say You Want a Revolution?)
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To: The Great RJ

I’ve encountered people who believe that climate change causes earthquakes; as if we’ve only had them since the industrial revolution.


72 posted on 11/19/2025 8:27:12 AM PST by Jamestown1630 ("A Republic, if you can keep it.")
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To: Red Badger

I’m a Thousand miles away and I’m
Not thrilled about the Left coast
Going up in Smoke -—
But SeaTac would be My First Choice !


73 posted on 11/19/2025 8:36:12 AM PST by Big Red Badger (ALL Things Will be Revealed !)
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To: Red Badger
"people will not heed them"

Yep, "normalcy bias" at work. "It hasn't happened so it cannot happen to me." Until BOOM!

Because of that huge ice and snow cap, it doesn't look like people in eastern WA or north ID are at risk. The "lahar" will be big when all that ice and snow melts almost instantly.


74 posted on 11/19/2025 8:36:37 AM PST by ProtectOurFreedom
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To: ProtectOurFreedom

Happens here every time we have a hurricane.................


75 posted on 11/19/2025 8:37:45 AM PST by Red Badger (Homeless veterans camp in the streets while illegals are put up in 5 Star hotels....................)
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To: Red Badger

“You better start doing it right!”

https://www.youtube.com/watch?v=RFUUEFVXuvk


76 posted on 11/19/2025 8:42:03 AM PST by dfwgator ("I am Charlie Kirk!")
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To: glennaro

My pleasure. I got to wondering why Mt. Rainier wouldn’t blow like Mt. St. Helens did and that led to that research. Fascinating info, isn’t it. A totally different threat type faces Puget Sound. I always figured if Mt. Rainier blew, we here in North Idaho would get buried in ash like Mt. St. Helens did. But it doesn’t look like it threatens us (or our daughter, SIL and grandson near Spokane).


77 posted on 11/19/2025 8:44:02 AM PST by ProtectOurFreedom
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To: bigfootbob

We may have a chance swinging the Republican but would still have overcome 3 million new dead votes going for the Commiecrats


78 posted on 11/19/2025 8:51:31 AM PST by shotgun
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To: Red Badger

Our neighbor’s daughter, husband and kids live near St. Pete. They have an AirBnB unit on their property (which almost covers their mortgage!). They had guests from outside Florida during the last hurricane and warned them to move their car to high ground. They ignored the warning. As a result, they didn’t have a car to drive home.


79 posted on 11/19/2025 8:55:53 AM PST by ProtectOurFreedom
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To: hoagy62

I lived in Kennewick when it blew. We could ser the ash cloud heading NE and all we got was a very light dusting similar to our typically dust storms we would get in those days.


80 posted on 11/19/2025 9:10:29 AM PST by shotgun
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