The so-called earthquake swarm at Mount Rainier dwindled Friday but has surpassed the last large event at the volcano in 2009 ...

More than 300 earthquakes have erupted at Washington's Mount Rainier this week, the largest earthquake swarm at the volcano ...

More than 300 tremors were recorded below Mount Rainier over the course of three days. Scientists say they were too weak for ...

On July 8, 2025, locals started wondering if the long-dormant volcano may be ready to erupt. A series of earthquakes began occurring in rapid succession, a phenomenon called an "earthquake swarm." The ...

This is now the largest recorded earthquake swarm at Mount Rainier since seismic monitoring at the volcano began in 1982, the ...

Officials are tracking the largest swarm of earthquakes in more than 15 years on Washington's Mount Rainier but say there is ...

Mount Rainier was experiencing "the most significant seismic activity" at the volcano in more than 15 years as an "earthquake ...

Mount Rainier is an active stratovolcano 45 miles southeast of Tacoma and 60 miles south-southeast of Seattle. Its last ...

Magma from the mantle finds its way to the surface, where it erupts as lava or ash and gas—sometimes in spectacular spurts, ...

The U.S. Geological Survey said it and other agencies were monitoring the situation and would issue additional alerts "as ...

The quakes began just before 1:30 a.m. on Tuesday, according to the Geological Survey at the Cascade Volcano Observatory.

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