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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 11:25:16 PM (PDT) on Tuesday, October 1, 2013.
The magnitude 0.4 event occurred 11 km (7 miles) SE of Anza, CA.
The hypocentral depth is 8 km ( 5 miles).




Magnitude 0.4 - local magnitude (Ml)
Time Tuesday, October 1, 2013 at 11:25:16 PM (PDT)
Wednesday, October 2, 2013 at 6:25:16 (UTC)
Distance from Anza, CA - 11 km (7 miles) SE (127 degrees)
Palomar Observatory, CA - 31 km (19 miles) ENE (60 degrees)
Idyllwild, CA - 31 km (19 miles) SSE (155 degrees)
Palm Springs, CA - 36 km (22 miles) S (184 degrees)
Coordinates 33 deg. 29.6 min. N (33.494N), 116 deg. 34.5 min. W (116.575W)
Depth 8.2 km (5.1 miles)
Quality Good
Location Quality Parameters Nst= 18, Nph= 32, Dmin=3 km, Rmss=0.07 sec, Erho=0.3 km, Erzz=0.5 km, Gp=104.4 degrees
Event ID ci11372250
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