California has experienced four earthquakes in less than 12 hours. The seismic activity began around 9pm ET when a 3. ... 4:30am near Petrolia in the northern region of the state. An assessment from ...

A magnitude 7 earthquake about 30 miles off the Humboldt County shoreline prompted a highly unusual tsunami warning for a ...

The earthquake struck at 7.46 p.m. PT about three miles northwest of Dublin, California, at a depth of around seven miles, according to the USGS. It was originally measured at a magnitude of 4.2, but ...

A 3.1-magnitude earthquake struck near Rio Vista in Northern California, the U.S. Geological Survey reported. Getty Images/iStockphoto A 3.1-magnitude earthquake shook Friday, April 4, in Northern ...

Northern California also hit by earthquake near ... magnitude followed in the same area at 9:46 p.m., reinforcing the seismic activity in the region. California sits on major fault lines ...

California has experienced four earthquakes in less than 12 hours. The seismic activity began around 9pm ... 4:30am near Petrolia in the northern region of the state. An assessment from Michigan ...