EARTH­QUAKE SWARM

The Tribune (SLO) - - The Cambrian - BY JOE TARICA jtar­[email protected]­bune­news.com

rat­tles SLO County and else­where in Pa­cific off North­ern Cal­i­for­nia coast.

A 3.3-mag­ni­tude earth­quake rat­tled north­ern San Luis Obispo County Thurs­day night.

About five hours later, a 3.0 after­shock struck at 3:05 a.m. in nearly the same spot, about 5 miles west of Tem­ple­ton, fol­lowed by a 2.0 after­shock at 9:48 a.m., ac­cord­ing to the U.S. Ge­o­log­i­cal Survey.

The first quake, which oc­curred at 10:22 p.m., was felt as far south as Lom­poc and as far north as Bradley, ob­servers re­ported on the USBS web­site.

In Atas­cadero, it felt like a mild vi­bra­tion that lasted a sec­ond or two.

The USGS re­ported the quake was lo­cated at a depth of 3 miles, just north of York Moun­tain Road and High­way 46 West.

The ma­jor­ity of re­ports from peo­ple who felt the quake came from Atas­cadero, which had recorded 224 by 10:52 p.m., ac­cord­ing to the USGS’ Did You Feel It? web­site. More than 500 peo­ple from around the Cen­tral Coast re­ported feel­ing the quake.

The quakes were the lat­est in a re­cent string of small shak­ers in the North County.

On April 30, a 3.5-mag­ni­tude quake was recorded 16 miles north­west of San Simeon.

And on April 5, a 3.8mag­ni­tude quake struck 2.5 miles south­east of Park­field.

This story was up­dated with in­for­ma­tion about the two af­ter­shocks.

USGS

A USGS map shows the location of a 3.5-mag­ni­tude earth­quake that was cen­tered west of Tem­ple­ton on Thurs­day night.

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