The aftershock occurred in the area of the original Monday morning 4.3-magnitude earthquake on the Hayward Fault.

Two earthquakes rattled the East Bay on Monday, raising questions about whether the seismic activity could be a warning sign ...

A sizable earthquake jolted the San Francisco Bay Area shortly before 3 a.m. Monday. The quake, a magnitude 4.3, had its ...

The earthquake was just east-southeast of Berkeley, the U.S. Geological Survey said. It happened shortly before 3 a.m. PT.

A 4.3 magnitude earthquake jolted the US state of California early Monday, according to the US Geological Survey. The US ...

A 4.3 magnitude earthquake has hit the San Francisco Bay Area early on Monday, the United States Geological Survey reported.

A 4.3-magnitude earthquake was reported in California on Monday (September 22), according to the United States Geological ...

A t least seven earthquakes have rattled the coast of Alaska in the last 24 hours, according to the United States Geological ...

Studying the earth from 1,000 feet up, a USGS aerial survey is looking for pyrrhotite and other dangers under New England ...

Hawaiian Volcano Observatory and National Weather Service staff rapidly deployed local seismic sensors in the Manuʻa and Tutuila islands, which revealed hundreds of earthquakes per day were occurring ...

An earthquake with a magnitude of 4.3 shook the San Francisco area early Monday, according to the United States Geological ...