A powerful 7.5 magnitude earthquake struck off northern Japan late Monday, injuring 23 people and triggering a tsunami in Pacific coast communities, officials said. Authorities warned of possible ...

For more than a month, the Bay Area has been subjected to a seemingly ceaseless stampede of earthquakes, rattling windows and raising fears across California.

The quake came only eight days after three earthquakes shook the area in the course of about 100 minutes. More than 30 quakes ...

A 4.5 magnitude earthquake struck off the coast of Oregon early Sunday morning, according to the U.S. Geological Survey. The ...

Earthquakes and seismic activity often happen with sudden movements underground with tectonic plates. Seismographs are used by scientists to measure the time, location and strength of an earthquake.

"Please stay prepared to evacuate immediately if you feel any shaking, while continuing your socioeconomic activities.” ...

A minor, 3.6-magnitude earthquake struck in the San Francisco Bay Area on Monday, according to the United States Geological ...