California Earthquake Today 4-04-2010

Earthquake San Diego Today

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Written by Deena on Apr-4-10 5:55pm

A 6.9 earthquake hit the San Diego area around 3:45pm today, according to earthquake.usgs.gov. It is unclear what kind of damage was done, if any, but it is the third quake to hit with an epicenter in Baja, California. Smaller aftershocks also occurred before and after the bigger jolt.

A 3.3 and 4.3 earthquake happened within a half hour of the biggest quake, and news sources are just starting to break the news about the big quake. Apparently the rattle lasted about 12 seconds, and Twitter was blowing up with people commenting on the rumble.

There were a few minor quakes in the San Francisco Bay Area today as well, but with magnitudes of less than 3.0. According to reports, today's San Diego jolt occurred (16 miles) SSW of Guadalupe Victoria, Baja California, Mexico. The hypocentral depth was 20 miles, according to Stinque.com.

== PRELIMINARY EARTHQUAKE REPORT ==
California Integrated Seismic Net
USGS/ Caltech/ CGS/ UCB/ UCSD/ UNR
Version #1: This report supersedes any earlier reports of this event.
This is a computer-generated message. This event has not yet been reviewed by a seismologist.

A moderate earthquake occurred at 4:15:20 PM (PDT) on Sunday, April 4, 2010.
The magnitude 5.1 event occurred 1 km (1 miles) WSW of Imperial, CA.
The hypocentral depth is 17 km (10 miles).

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Magnitude	5.1 - local magnitude (ML)
Time	Sunday, April 4, 2010 at 4:15:20 PM (PDT) Sunday, April 4, 2010 at 23:15:20 (UTC)
Distance from	Imperial, CA - 1 km (1 miles) WSW (250 degrees) El Centro, CA - 6 km (4 miles) NNW (336 degrees) Seeley, CA - 11 km (7 miles) ENE (62 degrees) Heber, CA - 13 km (8 miles) NNW (336 degrees) Tijuana, Baja California, Mexico - 139 km (86 miles) ENE (75 degrees)
Coordinates	32 deg. 50.3 min. N (32.839N), 115 deg. 35.1 min. W (115.585W)
Depth	16.9 km (10.5 miles)
Location Quality	Poor
Location Quality Parameters	Nst=011, Nph=011, Dmin=13 km, Rmss=0.51 sec, Erho=3.6 km, Erzz=5.6 km, Gp=219.6 degrees
Event ID#	ci14607836
Additional Information	map with fault names Google Earth KML (Requires Google Earth.) Waveforms

 
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