U.S. Geological Survey
An earthquake registering a preliminary magnitude of 3.0 struck east of Ridgemark, near Hollister Thursday at 3:11 a.m. according to the U.S. Geological Survey’s automated seismograph alert network.
There is a 25 percent chance of a strong and potentially damaging aftershock in the next seven days following Sunday’s 6.0-magnitude earthquake near American Canyon, U.S. Geological Survey officials said Monday.
An aftershock of the Napa earthquake, one of dozens of that have hit after Sunday’s 6.0 shaker, was felt Monday afternoon and registered a magnitude of 2.9.
The latest in a series of small earthquakes has rattled the same area of Northern California Thursday.
A new federal earthquake map dials up the shaking hazard just a bit for about one-third of the United States and lowers it for one-tenth of the nation.
Two small earthquakes less than a minute apart shook part an area near GilroyTuesday afternoon.
A strong earthquake has struck off the coast of Japan Friday, prompting a tsunami advisory for Japan coastal regions.
With massive quakes striking off the Alaskan and New Zealand coast Monday, a scientist with the U.S. Geological Survey said he is weighing the possibilities that the two might be connected.
A light earthquake rattled an area in Humboldt County Monday afternoon.
A 3.9 magnitude earthquake struck an area of Southern California near San Bernardino Monday, according to the U.S. Geologicial Survey.