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Hundreds of Earthquakes Detected at Mount Rainier on Tuesday. What’s Going On?
WASHINGTON, JUL 8 – Scientists detected over 400 small earthquakes beneath Mount Rainier since early Tuesday, with no signs of magma movement or eruption risk, officials said.
- On July 8, a swarm of earthquakes began at 1:29 a.m. PDT beneath Mount Rainier, continuing into Tuesday as the largest since 2009, USGS and PNSN said.
- Previous swarms have been attributed to fluids interacting with faults, Harold Tobin said, and the last eruptive period was around 1,000 years ago with no lava.
- Since the swarm began, hundreds of tiny earthquakes with a top magnitude of 1.7 have rattled beneath the summit, USGS instruments show depths between 1.2 and 3.7 miles at several per minute, and none have been felt.
- The USGS said, `Currently, there is no indication that the level of earthquake activity is cause for concern, and the alert level and color code for Mount Rainier remain at GREEN / NORMAL,` and monitoring will continue, with no deformation or unusual signals detected.
- Typically, USGS Cascades Volcano Observatory noted Mount Rainier records nine quakes monthly with swarms once or twice a year, and `Earthquakes are too small to be felt at the surface and will likely continue for several days,` the observatory said.
29 Articles
29 Articles
ALERT: Hundreds Of Earthquakes Reported At Washington's Mt. Rainier
Hopefully, this is nothing. The US Geological Survey reported that hundreds of earthquakes occurred in Washington State on Tuesday morning. The earthquakes occurred below Mt. Rainier in the Cascade Mountain Range. The New York Post provided further details on the earthquakes and whether they are a threat to residents in the area: A swarm of hundreds of small earthquakes has been detected rumbling deep below Mt. Rainier in Washington State early …
Hundreds of earthquakes detected at Mount Rainier
Mount Rainier was experiencing "the most significant seismic activity" at the volcano in more than 15 years as an "earthquake swarm" hit the site starting on Tuesday, according to the U.S. Geological Survey's Cascades Volcano Observatory.The swarm hundreds of small earthquakes hitting the same area in quick succession started around 1:30 a.m. local time Tuesday and was continuing into Wednesday, data showed.But there was no cause for concern, ac…
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