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== 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 12:50:30 PM (PDT) on Sunday, September 29, 2013.
The magnitude 0.4 event occurred 15 km (9 miles) SE of Anza, CA.
The hypocentral depth is 10 km ( 6 miles).



Magnitude 0.4 - local magnitude (Ml)
Time Sunday, September 29, 2013 at 12:50:30 PM (PDT)
Sunday, September 29, 2013 at 19:50:30 (UTC)
Distance from Anza, CA - 15 km (9 miles) SE (137 degrees)
Borrego Springs, CA - 29 km (18 miles) NW (322 degrees)
Palomar Observatory, CA - 30 km (19 miles) ENE (67 degrees)
Palm Springs, CA - 40 km (25 miles) S (182 degrees)
Coordinates 33 deg. 27.5 min. N (33.458N), 116 deg. 33.9 min. W (116.564W)
Depth 10.5 km (6.5 miles)
Quality Good
Location Quality Parameters Nst= 16, Nph= 25, Dmin=5 km, Rmss=0.07 sec, Erho=0.4 km, Erzz=0.6 km, Gp=111.6 degrees
Event ID# ci11371370
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