A 5.7 earthquake today in Octoillo, CA continues to produce earthquake aftershocks with news of shaking felt from San Diego to across Southern California.
The Ocotillo earthquake that put Southern California residents first on news alert struck at 9:26 PM PST Monday. It, however, wasn’t the first Ocotillo quake on Monday. Three lesser quakes registering 3.2-3.3 struck the community earlier on Monday.
But at 9:26 PM much of Southern California felt a 5.7 magnitude quake strike Ocotillo. For readers, Ocotillo has been a highly reported hot bed of earthquake activity since that notable quake it produced in April 2010. Since then, Ocotillo generally produces dozens of lesser aftershocks daily registering 2.0 to 4.0. But today’s 5.7 was sizable and additionally had a nominal depth causing its roll to be felt a greater distance across the Southland.
But the quakes weren’t done there.
Sixteen aftershocks struck between 9:26 PM PST and 9:59 PM Monday night. The quakes registered as high as 3.8 and as low as 3.2. But at 10 PM, another notable quake struck, a 4.5 followed by a 4.3 quake 34 minutes later.
Since 10 PM, fourteen more earthquake aftershocks have struck Ocotillo. They are all of the same nominal depth, they are all roughly 3 to 6 miles south-southeast of the town, and they registered 3.0 to 4.3.
On April 4, 2010 at 3:30 PM PST a 6.9 earthquake struck the same region making news tonight, a quake felt as far as Los Angeles; the quake would later be upgrade to a 7.2 by Cal Tech. By Monday, it was producing dozens aftershocks, even a 5.1 aftershock, in the same region.
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