This should have West Coasters shaking in their shoes.

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

A magnitude 4.7 earthquake has struck Alaska, according to The United States Geological Survey. The earthquake hit at ...

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.

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

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 ...

A strong, 6.3-magnitude earthquake struck in the North Pacific Ocean near Ecuador ... U.S.G.S. scientists to update the shake-severity map. Source: United States Geological Survey | Notes: Shaking ...