Volcanoes in the United States that have been active since spring woke up, brushed themselves off, and then went back to sleep. Two volcanoes, one in Alaska and one in Hawaii, are experiencing active ...

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.

BOTTOM LINE: Dallas will try to break a four-game skid when it plays the San Jose Earthquakes. The Earthquakes are 6-6-4 against Western Conference opponents. The Earthquakes rank third in the MLS ...

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 ...

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

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

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

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.