5.1, 3.4 Magnitude Earthquakes Shake SoCal [PHOTOS]

A magnitude 5.1 earthquake, followed by a magnitude 3.4 quake, rolled through the Southland Friday night, felt in several cities across the region.

According to the U.S. Geological Survey, the first temblor struck at 9:09 p.m. PST.  The second, smaller quake then hit at 9:11 p.m., USGS data indicates.

The U.S.G.S. reports the largest quake was centered:
  • 2km (1mi) E of La Habra, California
  • 2km (1mi) WNW of Brea, California
  • 5km (3mi) SSW of Rowland Heights, California
  • 6km (4mi) N of Fullerton, California
  • 544km (338mi) W of Phoenix, Arizona
Another 3.6 magnitude earthquake was reported a short time later, at 9:30 p.m., the U.S.G.S. says.  All three quakes were centered very near each other, data indicates.

Prior to those three quakes, a 3.6 magnitude quake also hit nearby, according to the agency.  That one was reported at 8:03 p.m.

The 5.1 earthquake was felt in at least four Southern California counties -- Los Angeles, Orange, Riverside and Ventura.

"I was home alone, and ran out of the house," said Hannah Hirzel in Placentia, just miles from the epicenter.  "I was sitting where my bookshelf fell, but I ran too quick."

The quake was initially reported by the U.S.G.S. as a 5.3 magnitude, but was downgraded a few minutes later.

Did YOU feel it??  Tell us in the comments, and be sure to say where you were located!

Rob Turmer March 31, 2014 at 11:14 AM
Thresher 200, there may be a point to that for if it all goes to hell after a real big one, people may get desperate. Though think the other way----the dogs might pack together and come after us at that point as well.
Thresher 200 March 31, 2014 at 01:30 PM
If the dogs go hungry long enough and form packs, you might very well be right. I think it would take months before the dogs regress to attacking humans. By that time, aid will have already reached us. It's funny... my dog will bite me if she doesn't get fed on time. Evil dog!!!
ChrisG March 31, 2014 at 01:57 PM
If it came to that it would be rare to find a dog.
Rob Turmer March 31, 2014 at 02:10 PM
My friends in Beaumont felt the quake and I think its because they are on bad ground. Being on top of an big aquifer that ground can cave in. I know people on the hill above didn't feel a thing for they are on solid rock up there. Anyone ever wonder about the risk of the ground falling in on top of that basin?
beaumontdave March 31, 2014 at 03:16 PM
Robbie, I read that a high water table can lead to liquefaction, but Beaumont's isn't high and most of the soil is more clay than sand, so the city's probably on good ground, but wedged between two active faults with a lot of smaller "cracks". When my friends lived at Orchard and Beaumont Ave, I happened to look at a USGS map, and saw a fault line going through their rental home, made them nervous as hell. lf I was buying or leasing I'd look at the USGS maps.


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