As the name suggests, an earthquake is an event that causes the earth to shake. In some cases, an earthquake can be so significant that it cracks open the ground, as well as human-made structures such ...

A new kind of earthquake has been detected in western Canada, one that shakes the ground slower and longer than typical seismic events. These earthquakes, recorded during hydraulic fracturing for oil ...

NORFOLK, Va. — Fault lines are fractures or breaks in the Earth's crust where tectonic plates move past each other, often resulting in earthquakes. These geological features are classified into three ...

California's seismic risk is increasing with supershear earthquakes, which are faster and more destructive than typical earthquakes.

Add Yahoo as a preferred source to see more of our stories on Google. A specific type of earthquake that can cause particularly intense shaking is more common than previously believed, some scientists ...

Add Yahoo as a preferred source to see more of our stories on Google. Aftermath of the 1906 San Francisco earthquake, looking down California Street. (The Chronicle 1906) Scientists are warning that ...

Earthquakes threaten homes across the country, but especially on the West Coast along the San Andreas fault line. Major earthquakes can destroy houses, but even small earthquakes can crack foundations ...

A series of earthquakes has rattled the Pacific Northwest in recent weeks, raising concerns and questions among residents. But should we be worried? The latest tremor, a magnitude 3.9 quake, struck ...

Where were you at 10:54 a.m. on February 28, 2001? At that moment, 25 years ago, there was a whole lotta shaking going on as the Nisqually Earthquake struck western Washington. The 6.8 magnitude quake ...