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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 3:23:35 PM (PDT) on Tuesday, October 1, 2013.
The magnitude 2.5 event occurred 24 km (15 miles) ENE (70 degrees) of Coso Junction, CA.
The hypocentral depth is 2 km ( 1 mile).




Magnitude 2.5 - local magnitude (Ml)
Time Tuesday, October 1, 2013 at 3:23:35 PM (PDT)
Tuesday, October 1, 2013 at 22:23:35 (UTC)
Distance from Coso Junction, CA - 24 km (15 miles) ENE (70 degrees)
Olancha, CA - 33 km (21 miles) ESE (123 degrees)
Trona, CA - 49 km (30 miles) NW (323 degrees)
Ridgecrest, CA - 55 km (34 miles) N (358 degrees)
Coordinates 36 deg. 7.1 min. N (36.118N), 117 deg. 41.6 min. W (117.693W)
Depth 2.2 km (1.4 miles)
Quality Good
Location Quality Parameters Nst= 34, Nph= 49, Dmin=9 km, Rmss=0.12 sec, Erho=0.2 km, Erzz=0.6 km, Gp=46.8 degrees
Event ID ci11372050
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SCSN First Motion Mechanism 1



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