One of the most famous mountains in Washington, Mount Rainier, has been rumbling over the last day due to the amplified ...

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MOUNT RAINIER, Wash. — A swarm of small earthquakes was detected at Mount Rainier Tuesday morning, according to the U.S.

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When "unusual earthquake activity" happens, scientists will use special instruments on and around the volcano to "monitor earthquakes, deformation, and other symptoms of volcanic unrest," the USGS ...

Mount Rainier, the active volcano towering above southwestern Washington state, started rumbling — very lightly — on Tuesday.

Mount Rainier saw a swarm of hundreds of small earthquakes that started early Tuesday morning.The activity began just before 1:30 a.

Hundreds of earthquakes are detected at or near Mount Rainier each year, though typical swarms are smaller than what started ...