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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 7:21:26 PM (PST) on Thursday, February 13, 2020.
The magnitude 0.4 event occurred 3 km (2 miles) S of Anza, CA.
The hypocentral depth is 9 km ( 6 miles).



Magnitude 0.4 - local magnitude (Ml)
Time Thursday, February 13, 2020 at 7:21:26 PM (PST)
Friday, February 14, 2020 at 3:21:26 (UTC)
Distance from Anza, CA - 3 km (2 miles) S (187 degrees)
Aguanga, CA - 20 km (12 miles) ENE (61 degrees)
Idyllwild, CA - 24 km (15 miles) S (171 degrees)
Palomar Observatory, CA - 26 km (16 miles) NE (42 degrees)
Warner Springs, CA - 28 km (17 miles) N (352 degrees)
Coordinates 33 deg. 31.8 min. N (33.531N), 116 deg. 40.6 min. W (116.677W)
Depth 9.44 km (5.9 miles)
Quality Good
Location Quality Parameters Nst=18, Nph=31, Dmin=5.9 km, Rmss=0.12 sec, Erho=0.25 km, Erzz=0.54 km, Gp=98 degrees
Event ID# ci39071127
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