Did You Feel It? Two Earthquakes Strike East Bay

A 4.0-magnitude earthquake struck the area at 2:41 p.m., another quake struck at 8:16 p.m

The Bay Area was rattled by two earthquakes Thursday, according to
the U.S. Geological Survey.

A 4.0-magnitude earthquake struck the area at 2:41 p.m. That quake
was centered about two miles east-southeast of Berkeley, and had a depth of
6.1 miles, according to the USGS.

Another quake struck at 8:16 p.m. and was centered about one mile east of Berkley with a depth of 6 miles, the USGS said.

The temblors shook areas throughout the Bay Area, including San Francisco, Danville, Santa Cruz, Palo Alto, Oakland and Berkeley.

After Thursday's first quake, Keith Knudsen, deputy director of the USGS Earthquake Science Center in Menlo Park, said it was a standard Hayward Fault Line quake.

He said the temblor was of the typical "strike-slip" variety, in which two sides of the fault slide horizontally, he said.

The earthquakes occurred on the same day as the Great California ShakeOut, a statewide drill in which millions of Californians practiced ducking and covering at 10:20 a.m. Thursday.

San Francisco Mayor Ed Lee Thursday urged all Bay Area residents to visit www.72hours.org for emergency planning resources and tips.

Bay City News

Renee October 21, 2011 at 08:35 PM
Did not actually feel it.
Suzanne Barbara October 22, 2011 at 01:30 AM
Did not feel the quake. But it makes California "shake out" day more important and I am actually going to review what I should be doing for earthquake preparedness.
Elora October 25, 2011 at 04:50 PM
It seemed as if a big truck was going by.


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