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Southern California Earthquake Data Center

Recent Earthquakes

Recent Earthquakes in California and Nevada

== PRELIMINARY EARTHQUAKE REPORT ==
Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California

Version #4: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.


A micro earthquake occurred at 12:11:34 PM (PDT) on Friday, May 3, 2013.
The magnitude 0.5 event occurred 11 km (7 miles) SW of Anza, CA.
The hypocentral depth is 7 km ( 5 miles).




Magnitude 0.5 - local magnitude (Ml)
Time Friday, May 3, 2013 at 12:11:34 PM (PDT)
Friday, May 3, 2013 at 19:11:34 (UTC)
Distance from Anza, CA - 11 km (7 miles) SW (230 degrees)
Palomar Observatory, CA - 18 km (11 miles) NNE (32 degrees)
Lake Henshaw, CA - 28 km (18 miles) N (360 degrees)
Palm Springs, CA - 41 km (25 miles) SSW (209 degrees)
Coordinates 33 deg. 29.6 min. N (33.493N), 116 deg. 45.7 min. W (116.762W)
Depth 7.4 km (4.6 miles)
Quality Good
Location Quality Parameters Nst= 22, Nph= 41, Dmin=8 km, Rmss=0.12 sec, Erho=0.3 km, Erzz=0.9 km, Gp=136.8 degrees
Event ID ci15337017
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