An early morning 3.6-magnitude earthquake woke parts of Northern California, the U.S. Geological Survey reported. The ...

While rare, Redding does get earthquakes strong enough for us to feel. Here's why Shasta and Siskiyou counties and the north ...

An earthquake shook Merced County late Monday afternoon, according to the United States Geological Survey. The 3.6-magnitude ...

It would be unlikely for Southern California to have an earthquake of greater than 8.3 magnitude, the USGS said. They’ve had an earthquake as large as a 7.9 magnitude earthquake in the past. ...

A preliminary 3.0 magnitude earthquake struck near Dublin Monday night, according to the United States Geological Survey. The ...

The USGS is unequivocal: No one can predict an earthquake. "We do not know how, and we do not expect to know how any time in the foreseeable future," the agency says .

USGS uses what's caused the moment magnitude scale to measure earthquakes. "Moment" is a physical quantity proportional to the slip on a fault line multiplied by the area of the fault surface that ...

Moderately damaging earthquakes strike between New York and Wilmington, Delaware, about twice a century, the USGS said, and smaller earthquakes are felt in the region roughly every two to three years.