PANAMA CITY (AP) — An earthquake with a preliminary 6.2 magnitude struck off the Pacific coast of Panama on Monday, authorities said. No injuries or damage were immediately reported.

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

Nisqually earthquake shook for under a minute but triggered decades of political aftershocks that led Seattle to where it is ...

On Tuesday, hundreds of earthquakes were detected, with depths ranging from 1.2 to 3.7 miles below the summit.

To see how a magnitude-9.0 earthquake would rattle the Pacific Northwest, researchers ran 50 virtual simulations on a ...

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

Scientists with the U.S. Geological Survey and the University of Washington recorded more than 400 minor earthquakes beneath ...

A swarm of hundreds of small earthquakes have been detected rumbling deep below Mt. Rainier in Washington State early Tuesday ...

A 4.3 magnitude earthquake hit the western Washington area Sunday night. No injuries or damage have been reported & a tsunami is not expected.

The Seattle Fault, which runs right through Puget Sound, is the primary concern for seismologists for a 6.0 or greater magnitude earthquake.

SEATTLE — A 3.8 magnitude earthquake shook near Fall City, Washington, east of Seattle on Tuesday morning. The earthquake hit at 2:17 a.m. at a depth of 14 kilometers below the earth’s surface.

People reported feeling the earthquake as far as south Pierce County, north of Seattle and around Port Orchard.