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


A micro earthquake occurred at 8:47:20 PM (PDT) on Saturday, May 4, 2013.
The magnitude 0.9 event occurred 8 km (5 miles) WNW of Beaumont, CA.
The hypocentral depth is 12 km ( 7 miles).




Magnitude 0.9 - local magnitude (Ml)
Time Saturday, May 4, 2013 at 8:47:20 PM (PDT)
Sunday, May 5, 2013 at 3:47:20 (UTC)
Distance from Beaumont, CA - 8 km (5 miles) WNW (291 degrees)
Yucaipa, CA - 9 km (6 miles) SSW (195 degrees)
Redlands, CA - 16 km (10 miles) SE (136 degrees)
San Bernardino, CA - 28 km (17 miles) SE (128 degrees)
Coordinates 33 deg. 57.3 min. N (33.955N), 117 deg. 3.5 min. W (117.058W)
Depth 11.9 km (7.4 miles)
Quality Good
Location Quality Parameters Nst= 22, Nph= 23, Dmin=12 km, Rmss=0.19 sec, Erho=0.5 km, Erzz=1.7 km, Gp=61.2 degrees
Event ID ci15337817
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