At the Seismological Society of America's Annual Meeting, researchers posed a seemingly simple question: how wide are faults?

Using data compiled from single earthquakes across the world, Christie Rowe of the Nevada Seismological Laboratory at the University of Nevada, Reno and Alex Hatem of the U.S. Geological Survey sought ...

Seismologist Deborah Kilb was wading through California earthquake records from the past four decades when she noticed ...

There are 15,000 known faults in the Golden State ... Sacramento and the Sierra Nevada are on the North American Plate. Parts of San Diego County also lie in the Elsinore Fault Zone, which ...

He adds that earthquakes in Santa Barbara County come from the San Andreas and Ventura faults, and a quake in San Diego won’t trigger seismic activity in our area, but the risk of medium ...

Partly cloudy with a high of 80 °F (26.7 °C). Winds S at 22 mph (35.4 kph). Night - Clear. Winds from S to SSW at 21 to 22 mph (33.8 to 35.4 kph). The overnight low will be 70 °F (21.1 °C ...

The quake's epicenter was recorded 2.49 miles south of Julian, in San Diego County. According to the USGS map, the quake was felt widely across Southern California and into Mexico. Seismologist Dr ...

The debate highlighted fault lines between historically hawkish American cabinet officials and other aides more skeptical that a military assault on Iran could destroy the country’s nuclear ...