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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 4:43:00 PM (PDT) on Thursday, July 12, 2018.
The magnitude 0.4 event occurred 10 km (6 miles) NE (39 degrees) of Aguanga, CA.
The hypocentral depth is 5 km ( 3 miles).



Magnitude 0.4 - local magnitude (Ml)
Time Thursday, July 12, 2018 at 4:43:00 PM (PDT)
Thursday, July 12, 2018 at 23:43:00 (UTC)
Distance from Aguanga, CA - 10 km (6 miles) NE (39 degrees)
Anza, CA - 13 km (8 miles) WSW (247 degrees)
Palomar Observatory, CA - 18 km (11 miles) NNE (19 degrees)
Idyllwild, CA - 27 km (17 miles) SSW (196 degrees)
Valle Vista, CA - 28 km (17 miles) SSE (162 degrees)
Coordinates 33 deg. 30.6 min. N (33.510N), 116 deg. 48.0 min. W (116.800W)
Depth 5.16 km (3.2 miles)
Quality Fair
Location Quality Parameters Nst=13, Nph=20, Dmin=8.5 km, Rmss=0.06 sec, Erho=0.31 km, Erzz=0.79 km, Gp=210 degrees
Event ID# ci38220200
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