Lori Dengler was part of a “cold case” team looking at the Dec. 21, 1954 earthquake with new eyes and new technology.

A preliminary 2.3 magnitude quake was detected near Petrolia Saturday afternoon, according to the U.S. Geological Survey.

ALAMEDA COUNTY, CA - on Saturday around midday, a preliminary 2.3 magnitude quake was registered close to Sunol, according to ...

A large earthquake has struck in the Pacific Ocean off the coast of Guatemala and El Salvador, according to the U.S. Geological Survey.