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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 #2: 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 micro earthquake occurred at 8:41:56 PM (PDT) on Wednesday, May 8, 2013.
The magnitude 1.0 event occurred 9 km (5 miles) WNW of Mt. San Gorgonio, CA.
The hypocentral depth is 5 km ( 3 miles).




Magnitude 1.0 - local magnitude (Ml)
Time Wednesday, May 8, 2013 at 8:41:56 PM (PDT)
Thursday, May 9, 2013 at 3:41:56 (UTC)
Distance from Mt. San Gorgonio, CA - 9 km (5 miles) WNW (285 degrees)
Yucaipa, CA - 14 km (9 miles) NE (48 degrees)
town of Big Bear Lake, CA - 14 km (9 miles) S (183 degrees)
San Bernardino, CA - 35 km (22 miles) E (88 degrees)
Coordinates 34 deg. 7.2 min. N (34.120N), 116 deg. 55.0 min. W (116.917W)
Depth 5.2 km (3.2 miles)
Quality Good
Location Quality Parameters Nst= 19, Nph= 21, Dmin=3 km, Rmss=0.18 sec, Erho=0.4 km, Erzz=0.9 km, Gp=68.4 degrees
Event ID ci15339729
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