No, there is not increased activity at Mount Rainier, despite a national headline Wednesday morning claiming there is an uptick in seismic activity.

SEATTLE — Ice buildup on an antenna at Mount Rainier has led to false reports of increased tremor activity, according to the Pacific Northwest Seismic Network (PNSN). The signal is actually radio ...

MT. RAINIER, Wash. (KOMO) — Mount Rainier saw a swarm of hundreds of small earthquakes that started early Tuesday morning. The activity began just before 1:30 a.m. on July 8, with hundreds of ...

Several volcanoes in the 'Pacific Ring of Fire' have shown increased activity recently, prompting close monitoring by experts for potential eruptions. Also called the Circum-Pacific Belt, it is a ...

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 ...

More than 300 earthquakes have erupted at Washington's Mount Rainier this week, the largest earthquake swarm at the volcano since 2009. As of Thursday, July 10, 334 earthquakes had been identified at ...

Mount Rainer, the active stratovolcano located in Washington state, is likely shrinking due to climate change, according to new research.