US Earthquake: HUGE swarm of up to 240 quakes blasts California lake | World | News

The largest earthquake of the swarm was a magnitude 4.9.

It was felt in San Diego County and Tijuana, according to United States Geological Survey’s Did You Feel It? map.

In a tweet, seismologist Dr. Lucy Jones said: “The swarm happening now south of the Salton Sea, near Westmoreland is over 30 km south of the end of the San Andreas.

“It is in the Brawley seismic zone, a common source of swarms. So far largest is M4.4.

“Too far from the San Andreas to change the probability of a quake on it.”

In a later update, she added: “The largest event so far occurred at 5:31 pm at M4.9.

“Previous swarms in this area have had maximum magnitude anywhere from M3.5 to M5.8.

“Most of these bigger events have been on NE-striking faults.

“None of the earthquakes that have been happening in the Imperial Valley are anywhere near the San Andreas fault.

“They are in the Brawley Seismic Zone – a network of small faults that connect the San Andreas and Imperial faults.

READ MORE: Yellowstone volcano: Swarm of 100 earthquakes rocks Yellowstone area

The likelihood of larger earthquake in this area is currently remarkably larger than normal.

It comes just days after two earthquakes rattled an area along the Ring of Fire in the state of California.

Two 3.4 magnitude earthquakes struck near the same area of Northern California within hours of each other over the weekend, officials have said.

The United States Geological Survey recorded the two earthquakes on Sunday within around six hours of each other.

The USGS said earthquakes with magnitudes ranging between three and four on the Richter scale are “felt quite noticeably by persons indoors, especially on upper floors of buildings.”

The first earthquake was recorded less than 6.2 miles North East of Milpitas at around 3.54pm local time at a depth of 3.3 miles.

According to CBS SF, the earthquake was felt as far as San Francisco.

The second earthquake was logged at a depth of 2.7 miles in the area covering the Calaveras Reservoir, according to the East Bay Times.

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