Was that an earthquake you just felt or merely a big truck rumbling by? You don't have to wonder thanks to the U.S.

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

A major earthquake with a preliminary magnitude of 7.3 initially triggered a tsunami warning for the southern Alaska ...

A tsunami warning has been issued for Alaska after a 7.2 magnitude tremor struck at a depth of 22 miles rocked the Pacific ...

A 6.4-magnitude earthquake was reported in North America. The Peru earthquake struck days after a 4.1-magnitude earthquake struck California on Monday (June 24), according to the United States ...

Experts say large 'high-seismic hazard' exists across U.S. Jan. 18, 2010— -- As the outpouring of support for earthquake-ravaged Haiti continues, seismologists say a similar catastrophe can ...

The New York area was hit by a rare earthquake on Friday morning, which shook parts of New York City, Connecticut and New Jersey. According to the US Geological Survey, the 4.8-ma ...

On Sept. 8, a devastating earthquake struck Morocco, killing nearly 3,000 people and injuring over 5,000. Some mountain villages near the epicenter were almost completely destroyed and historic ...

The 1906 San Francisco Earthquake remains one of the most devastating natural disasters in American history. In this video, we examine the destruction it caused and its lasting impact.

On Sunday, a magnitude 6.0 earthquake rocked San Francisco. Check out this list of America's strongest seismic events.

In 2008, she led the team that developed the Great ShakeOut, an earthquake preparedness drill that teaches participants to "Drop, Cover and Hold On."Last year, more than 57 million people in 74 ...

In the wake of the earthquake (and subsequent tsunami), Japan received a lot of news coverage for its early earthquake warning system. But we forget that the United States is prone to earthquakes ...