The clusters of earthquakes have all been underneath the East Bay suburb of San Ramon, which is close to the Calaveras fault.

A handful of small earthquakes hit south of San Ramon on Monday morning, according to the U.S. Geological Survey.

The agency said the magnitude quake struck just east of Aomori, the northernmost prefecture of Japan’s main Honshu island, ...

A total of 31 quakes, as small as magnitude 1.5, struck the San Ramon area between midnight Monday and 10:15 a.m.

A magnitude 7.6 earthquake centered in the Pacific Ocean some 45 miles west of Misawa, Japan, shook the northern part of the ...

A minimal earthquake was reported just after 10 p.m. Thursday near Coushatta, according to the U.S. Geological Survey.

A notification about a magnitude-5.9 earthquake in western Nevada Thursday morning was a false alert, the USGS said. The quake alert generated by the ShakeAlert early warning system indicated an ...

The US Geological Survey sent out an erroneous alert on Thursday, stating originally that an earthquake with a magnitude of 5 ...

A magnitude 4.7 earthquake struck off the southern coast of Mexico, centered about 50 miles south-southwest of La Esperanza.

LOS ANGELES COUNTY, CA - According to the U.S. Geological Survey, a preliminary 3.0 magnitude quake occurred near San ...

The Bay Area has been hit by a series of small earthquakes. On early Friday morning, three quakes shook the San Juan Bautista area, starting with a magnitude 3.4 quake, followed by two smaller tremors ...

A pair of earthquakes shook parts of Riverside County, near Idyllwild, on Thanksgiving Day. The first earthquake, a preliminary magnitude 3.8, happened at roughly 5:36 p.m. The second, a slightly ...