California on earthquake alert as series of tremors hit San Andreas fault by San Francisco
CALIFORNIA is on earthquake alert after a flurry of small tremors hit the San Andreas fault line in the last day – in almost the same spot near San Francisco which fears a Big One quake. The Danville area of California saw eight quakes hit in the last three days, with the largest recorded at a magnitude of 3.0.
By REBECCA PERRING
Express.co.uk
Wed, Feb 21, 2018
The latest hit this morning at 10.10am UTC (2.10am local time) nine miles from the small area of Bootjack, measuring 3.0 magnitude on the Richter scale.
It followed a flurry of earthquakes in the Diablo area, north east of Danville, with the last one hitting at 2.16am UTC this morning (6.16pm Tuesday local time) measuring 2.8 on the richter scale.
On Tuesday, five more rattled homes in Diablo, with the first hitting at 1.32 am local time and measuring 2.8 magnitude.
Next came 2.6 and 3.0 quakes, about 30 seconds apart at 12.25pm UTC (4.25am local time), closely followed by a 2.9 shaker one minute later, according to the U.S. Geological Survey.
It comes after a 2.9 magnitude earthquake was recorded close to Monte Vista High School in Danville on Monday morning. This was followed by a 2.5 earthquake.
Officials said there are no reports of damage.
While all of the earthquakes measured 4.0 and below on the Richter Scale, smaller quakes often come ahead of bigger ones and concerns are mounting about the Big One, a hypothetical earthquake of magnitude 7.0 or greater that is expected to happen along the San Andreas Fault.
Scientists are currently simulating the damage a 7.0 earthquake could cause along neighbouring Hayward Fault which runs through the San Francisco Bay area, with analysts preparing for the Big One to hit within the next 30 years.
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