== PRELIMINARY EARTHQUAKE REPORT ==
California Integrated Seismic Net
USGS/ Caltech/ CGS/ UCB/ UCSD/ UNR

Version #S: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.

A minor earthquake occurred at 10:34:13 PM (PDT) on Friday, May 1, 2009.
The magnitude 3.1 event occurred 10 km (6 miles) SSW of Westlake Village, CA.
The hypocentral depth is 13 km ( 8 miles).


Magnitude 3.1 - local magnitude (ML)
Time Friday, May 1, 2009 at 10:34:13 PM (PDT)
Saturday, May 2, 2009 at 5:34:13 (UTC)
Distance from Westlake Village, CA - 10 km (6 miles) SSW (211 degrees)
Malibu, CA - 10 km (6 miles) WNW (295 degrees)
Thousand Oaks, CA - 14 km (8 miles) S (180 degrees)
Agoura Hills, CA - 14 km (9 miles) SW (227 degrees)
Los Angeles Civic Center, CA - 58 km (36 miles) W (272 degrees)
Coordinates 34 deg. 4.0 min. N (34.067N), 118 deg. 52.5 min. W (118.875W)
Depth 13.4 km (8.3 miles)
Location Quality Good
Location Quality Parameters Nst= 93, Nph= 93, Dmin=9 km, Rmss=0.41 sec, Erho=0.4 km, Erzz=0.6 km, Gp=68.4 degrees
Event ID# ci10403857
Additional Information map with fault names
Google Earth KML (Requires Google Earth.)
Did you feel it?
Waveforms
SCSN First Motion Mechanism 1
24-hour Aftershock Forecast Map

Did you feel it? || Shake Map South
For more information, see http://earthquake.usgs.gov/regional/sca/ || Contacts

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