Two earthquakes have struck parts of the Western US state of California in an area notorious for seismic restlessness, the US Geological Survey says.
The first quake, measured 3.1 on the Richter scale, hit near San Martin in Santa Clara County on Tuesday night at 7:19 pm local time.
Almost three hours later at 10:32 pm, a stronger earthquake, measuring 3.9, struck about about 8 miles east of the Alum Rock area of San Jose, at a depth of about 5.5 miles.
San Jose Mayor Sam Liccardo called on people via Twitter “to ready your home kit & be prepared” for quakes.
The tremor was widely felt throughout the San Francisco Bay Area.
So far, there has been no report of damage or injury resulting from the twin quakes.
The jolts were the latest in a series of sporadic quakes caused by the Calaveras Fault, which usually releases stress.
A 4.1 temblor hit in the same region last October. According to the USGS, there is a 7.4 percent possibility of…