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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

wow...if that blows it’s bad news in so many ways.


81 posted on 11/19/2025 9:13:33 AM PST by DouglasKC
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To: Red Badger

This place says it’s malfunctioning equipment -

https://www.kiro7.com/news/local/viral-eruption-threat-americas-deadliest-volcano-mount-rainier-not-accurate-pnsn-says/6SLJLI6YGRCPRLR3BWJVRAASJU/


82 posted on 11/19/2025 9:40:50 AM PST by tje (Only thing worse than climate change is the government trying to fix it.)
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To: Red Badger

I live between Seattle and the mountain.
If it blows and lands on Seattle, I am just fine
taking it for the red team.


83 posted on 11/19/2025 9:54:14 AM PST by right way right (“May we remain sober over mere men, for God really is our only true hope.)
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To: Fresh Wind

How to blame Trump? Easy .... Extra weight of all the illegals was holding down the earth so volcanoes could not push up


84 posted on 11/19/2025 10:28:01 AM PST by dmet
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To: tje

A whole thread just melted away. I went to the PNWS site after reading this article and didn’t see any activity to correspond to the claims.


85 posted on 11/19/2025 11:09:43 AM PST by Cold Heart
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To: ProtectOurFreedom

Mt. St. Helens’ 1980 initial detonation/eruption was more like a 10 megaton lateral shaped charge aimed north by northwest followed by a more normal vertical ash eruption.


86 posted on 11/19/2025 11:33:01 AM PST by Thud (quot)
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To: Thud
RIP Harry Truman


87 posted on 11/19/2025 11:34:42 AM PST by dfwgator ("I am Charlie Kirk!")
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To: PIF
Not a chance. I agree with a prior response that Rainier's major threat is of truly massive lahars from almost instant melting of the glaciers on and around it. Those have happened before and most of Tacoma sits right on the debris from one about 5-7 thousand years ago.

Tacoma is the city most in danger from Rainier.

88 posted on 11/19/2025 11:36:36 AM PST by Thud (quot)
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To: Red Badger

Shhh... Don’t tell the hippies.


89 posted on 11/19/2025 11:40:11 AM PST by Bullish (My tagline ran off with another man, but it's okay... I wasn't married to it.)
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To: bigfootbob

Well, the people in the Seattle area have been wishing damnation and destruction on themselves for decades anyway.


90 posted on 11/19/2025 11:46:34 AM PST by Bullish (My tagline ran off with another man, but it's okay... I wasn't married to it.)
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To: FroggyTheGremlim

Sorry, it was never named Denali. I believe you’re thinking of Mt McKinley in Alaska.


91 posted on 11/19/2025 11:51:23 AM PST by Bullish (My tagline ran off with another man, but it's okay... I wasn't married to it.)
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To: blackdog

I think the run off from parking lots from the heavy rainfall that is normal in Seattle is blamed for causing sink holes.


92 posted on 11/19/2025 11:54:04 AM PST by Valpal1 (Not even the police are safe from the police!!!)
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To: Red Badger
"America's deadliest volcano...

hyperbole /hī-pûr′bə-lē/
noun

A figure of speech in which exaggeration is used for emphasis or effect, as in I could sleep for a year or This book weighs a ton.

93 posted on 11/19/2025 12:04:14 PM PST by Paal Gulli
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To: Paal Gulli

What? You aren’t hungry enough to eat your horse?


94 posted on 11/19/2025 12:08:17 PM PST by ProtectOurFreedom
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To: Bullish
"Well, the people in the Seattle area have been wishing damnation and destruction on themselves for decades anyway"

Yep. As was observed on my visit. There are no children. Its like a future dystopian world where children are no longer conceived. There are eleven dogs as pets for every one child. No play. No sports other than adult soccer leagues and the spandex-goat yoga crowd in their 30's thru 70's. Not the Hamlet for girlscout cookies.

In about 20 years the whole town will collapse, and not from an earthquake.

That said, one of the most beautiful places on this earth. It's theirs to run. Who am I to lecture on outcomes?

95 posted on 11/19/2025 12:09:42 PM PST by blackdog ((Z28.310) "Diggin the scene with a gangster lean" (Mayfield, Curtis) )
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To: Thud

Not a chance.

Are you a geologist specializing in volcanism? or just speculating?


96 posted on 11/19/2025 12:39:50 PM PST by PIF (They came for me and mine ... now its your turn)
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To: Paal Gulli

Journalists have to make up hyperbole to get you to read their article. In this case they didn’t make it up, It was named (potentially) the deadliest by USGS in many of their articles.


97 posted on 11/19/2025 12:54:09 PM PST by Cold Heart
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To: PIF

His response is right out of the USGS description


98 posted on 11/19/2025 1:00:34 PM PST by Cold Heart
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To: ProtectOurFreedom

I have eaten horse. If you’ve had a gyro in France, chances are you have, too. Quite tasty, I might ad. The Frogs, it seems, developed a taste for it in the famines following the Revolution, and it’s been in their cuisine (now mostly limited to street food) ever since.


99 posted on 11/19/2025 1:21:22 PM PST by Paal Gulli
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To: All

The last time the Huckleberry Ridge blew, its ejecta is believed to have been 6,000 times as great as that of Mt St Helens in 1980.

Rainier will have to go some to best that.


100 posted on 11/19/2025 1:24:36 PM PST by Paal Gulli
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