Earthquakes occur when the tectonic plates of the Earth's crust shift, jolting past each other in a release of built-up ...

There are two big challenges when it comes to tsunamis: first making sure people in the tsunami zone are notified and know ...

The U.S. Geological Survey was still trying to unravel how an alert was sent Thursday morning for a nonexistent 5.9 earthquake outside Dayton, Nevada. A quake of that size wouldn't be implausible.

San Ramon has been hit by hundreds of tremors since mid-November.

The Louisiana Department of Conservation and Energy (C&E) is now working with the U.S. Geological Survey (USGS) and ...

The 8.8-magnitude earthquake in the Pacific Ocean triggered tsunami warnings on different continents, but the water didn't end up causing mass damage. So, how did one of the largest earthquakes on ...

The most recent, a 1.2-magnitude tremor, hit about 2 ½ miles northeast of San Ramon at 4:05 p.m. Sunday, Nov. 23. Getty Images/iStockphoto A swarm of small earthquakes has been rattling a Bay Area ...

Add Yahoo as a preferred source to see more of our stories on Google. Over the last several days, the National Weather Service has done a great job detailing the various winter storm warnings that ...

The other quakes in the Saturday, Dec. 21, swarm ranged from magnitude 1.3 to 3.0. Getty Images/iStockphoto A swarm of at least a dozen earthquakes reaching up to magnitude 3.9 rattled San Ramon near ...

An earthquake swarm is a series of small quakes that “may occur in a region for months without a major earthquake,” according to Britannica.. Getty Images/iStockphoto A swarm of a half-dozen ...