A 4.4 magnitude earthquake struck without warning on a Tuesday afternoon, its epicenter 120 miles north of San Francisco in ...
A magnitude 4.4 earthquake hit a lightly populated area east-southeast of Willits on Tuesday afternoon, with no immediate ...
A preliminary 4.4 magnitude earthquake shook in Northern California Tuesday afternoon, according to the United States ...
An earthquake with a magnitude of 4.2 shook the northern Bay Area early Thursday morning, the United States Geological ...
Invisible earthquakes are revealing a hidden tectonic puzzle beneath California’s most dangerous fault zone.
By tracking swarms of very small earthquakes, seismologists are getting a new picture of the complex region where the San ...