4.0 quake centered in Sonoma County triggers alert, followed by aftershocks

A 4.0 magnitude earthquake struck Sonoma County on Sunday afternoon, causing light shaking in Santa Rosa and setting off ...

Cluster of earthquakes strike Sonoma County, including one with magnitude of 4.0

Sonoma County was hit by three earthquakes within a little more than half an hour Sunday, the largest one having a ...

Preliminary magnitude 4.0 earthquake strikes near Rohnert Park, followed by aftershocks, USGS says

Did you feel it? Preliminary magnitude 3.2 earthquake struck near Colma in San Mateo County Friday evening, the U.S.

4.0 earthquake, 3.1 aftershock strike near Glen Ellen

A 3.1 magnitude aftershock was felt 8 minutes after, this time about 1.4 miles deep. At 4:04 p.m., another 3.4 magnitude ...

Magnitude 4.0 earthquake rattles North Bay

A preliminary magnitude 4.0 earthquake hit the North Bay Sunday afternoon, according to the United States Geological Survey.
KTLA

Series of earthquakes rattles Central California, magnitudes as high as 4.0

At least three earthquakes, each stronger than the last, struck Central California on Thanksgiving afternoon with preliminary magnitudes as high as 4.0, according to the U.S. Geological Survey. The ...
Scientific American

Magnitude 4.0 Earthquake Rattles Bay Area, with Aftershocks Likely to Follow

Since the magnitude 4.0 event, two smaller quakes—located deeper in Earth’s crust than the larger one—have already occurred: first a 2.7 magnitude tremor just to the northeast, then a 3.6 magnitude ...