The U.S. Geological Survey says a 6.9 magnitude earthquake struck in the middle of the Atlantic Ocean Friday morning.
A series of four earthquakes registering a preliminary magnitude range of 1.4 to 2.0 struck near Concord Sunday afternoon and Monday, according to the U.S. Geological Survey’s automated seismograph alert network.
The next earthquake in the Napa Valley could be much stronger than the magnitude 6 quake that shook the region in August, according to preliminary research from the University of California at Davis.
The project includes 39-story and 35-story skyscrapers that would dwarf existing buildings.
A earthquake registering a preliminary magnitude of 4.0 struck near Mammoth Lakes Sunday, according to the U.S. Geological Survey’s automated seismograph alert network.
Seismologists at the Lawrence Livermore Lab will use their supercomputers to simulate detailed ground motion from last month’s earthquake in Napa.
A earthquake registering a preliminary magnitude of 3.0 struck east of Gilroy, in Hollister on Friday afternoon, according to the U.S. Geological Survey’s automated seismograph alert network.
A earthquake registering a magnitude of 3.5 struck near the town of Alturas in Modoc County Friday morning.
There is over a fifty percent chance that a magnitude 5.0 earthquake will hit in the next week in the same area where a 6.0 quake caused major damage and injured over 170 people in Napa Sunday, according to seismologists.
Excessive groundwater pumping for irrigation in California’s agricultural belt can stress the San Andreas Fault, potentially increasing the risk of future small earthquakes, a new study suggests.