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


A micro earthquake occurred at 6:26:19 AM (PDT) on Friday, October 4, 2013.
The magnitude 1.1 event occurred 1 km (1 miles) SSE of Loma Linda, CA.
The hypocentral depth is 18 km (11 miles).




Magnitude 1.1 - local magnitude (Ml)
Time Friday, October 4, 2013 at 6:26:19 AM (PDT)
Friday, October 4, 2013 at 13:26:19 (UTC)
Distance from Loma Linda, CA - 1 km (1 miles) SSE (159 degrees)
Redlands, CA - 7 km (4 miles) WSW (256 degrees)
San Bernardino, CA - 9 km (5 miles) SSE (151 degrees)
Riverside, CA - 13 km (8 miles) ENE (62 degrees)
Coordinates 34 deg. 2.4 min. N (34.039N), 117 deg. 15.0 min. W (117.249W)
Depth 17.8 km (11.1 miles)
Quality Good
Location Quality Parameters Nst= 39, Nph= 57, Dmin=8 km, Rmss=0.15 sec, Erho=0.3 km, Erzz=0.5 km, Gp=68.4 degrees
Event ID ci11372930
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