Earthquakes in Oregon

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Mount Rainier, Earthquake

Earthquakes continue to rattle Mount Rainier, now biggest seismic event in recent history

This is now the largest recorded earthquake swarm at Mount Rainier since seismic monitoring at the volcano began in 1982, the Cascades Volcano Observatory said. With quakes ongoing, the swarm has already surpassed a major event in 2009 “in terms of magnitude, total events, event rate, and energy release.”

· 3d · on MSN

Hundreds of earthquakes detected at Mount Rainier in Washington, "most significant seismic activity" since 2009

· 2d · on MSN

Mount Rainier is rattled by more than 300 earthquakes. It's the largest swarm in years.

59mon MSN

Volcanoes in multiple states have been rumbling. What's going on?

Most of the U.S. volcanoes that have been making themselves known since spring woke up a bit, shook themselves off and then ...

NPR3y

50 earthquakes hit off the Oregon coast - NPR

The Blanco Transform Fault Zone off Oregon's coast is famously active, and it has not disappointed in the past 24 hours, generating at least 50 earthquakes, including two at a 5.8 magnitude. That ...

KOIN 62y

OR earthquakes: The 10 biggest earthquakes in Oregon in 2022 - KOIN.com

Eight earthquakes struck off of the Oregon Coast on Wednesday, June 15. The USGS reported a 3.8 magnitude earthquake that hit nearly 300 miles outside of Newport at about 2:54 a.m.

USA Today3y

Multiple earthquakes reported off Oregon Coast in the last day

Over 50 earthquakes, ranging from 3.5 to 5.8 in magnitude, were reported off the Oregon coast in a 24-hour period. The cluster of quakes began Tuesday and continued through Wednesday, about 200 to ...

MyNorthwest.com3y

Seismologist: Oregon earthquakes not a precursor of the ‘Big One’

You can take a breath of relief — the earthquakes that occurred in the Pacific Ocean off the Oregon coast this week are not a precursor of the “Big One.”. Several earthquakes rattled the ...

Business Insider3y

50 Earthquakes Off Oregon Coast Pose Little Threat, Experts Say ...

More than 50 earthquakes were reported off the Oregon coast in fewer than 24 hours on Tuesday. A swarm of earthquakes isn't inherently dangerous, experts say. The strongest earthquake ...

Oregonian6y

Here are the strongest earthquakes to hit Oregon in the past 10 years ...

Oregon is overdue for a massive earthquake that, in combination with the ensuing tsunami, could kill 10,000 people. We don't know when the Big One will hit. But we do know that plenty of little ...

KOIN 62y

OR earthquakes: Oregon's largest earthquakes since 2000

It's no secret the Pacific Northwest is earthquake country -- with the possibility of "The Big One" ever-present. Since 2000 Oregon has seen a number of strong earthquakes, according to data ...

13d

Why Redding has earthquakes: Here's what happens in Shasta Cascade region

While rare, Redding does get earthquakes strong enough for us to feel. Here's why Shasta and Siskiyou counties and the north ...

OPB9y

Half Of Oregon's Critical Bridges Could Collapse In Quake

New data compiled by the Oregon Department of Transportation reveals at least part of the answer. The results aren't pretty for a region facing 1-in-3 odds of a magnitude 8 or larger earthquake in ...

KOIN4d

Earthquakes and lightning in the PNW

KOIN 6 Chief Meteorologist Josh Cozart explains the active conditions seen over the Pacific Northwest this Tuesday, July 8, 2025.

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