A strong, 6.3-magnitude earthquake struck in the North Pacific Ocean near Ecuador on Friday, according to the United States ...

An area in the Pacific Northwest lies on a 'subduction' zone where a tectonic plate slides underneath the North American plate. Subduction zones produce the world's largest earthquakes. These quakes ...

In 1638, an earthquake in what is now New Hampshire and Plymouth, Massachusetts, left colonists stumbling from the strong ...

Additional information collected about the earthquake may also prompt U.S.G.S. scientists to update the shake-severity map. The San Diego County Sheriff’s Office said that there had been no ...

A powerful 5.2 magnitude earthquake rattled the San Diego County area Monday morning but did not appear to cause any major damage. According to the U.S. Geological Survey, the quake struck at 10:08 ...

Latest California Earthquakes. Please wait a moment for map to load. Use controls or ... according to the USGS. In North America, only Alaska records more quakes per year than California.

The North American and Pacific tectonic plates had moved past each other by more than 15 feet — compared to an annual average of two inches. The earthquake is estimated to have measured 8.3 on ...

An area in the Pacific Northwest lies on a 'subduction' zone where a tectonic plate slides underneath the North American plate. Subduction zones produce the world's largest earthquakes.