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 #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 10:11:27 AM (PDT) on Monday, July 17, 2023.
The magnitude 0.5 event occurred 3 km (2 miles) ENE (70 degrees) of Pinon Hills, CA.
The hypocentral depth is -1 km (-1 miles).


Magnitude 0.5 - local magnitude (Ml)
Time Monday, July 17, 2023 at 10:11:27 AM (PDT)
Monday, July 17, 2023 at 17:11:27 (UTC)
Distance from Pinon Hills, CA - 3 km (2 miles) ENE (70 degrees)
Phelan, CA - 4 km (3 miles) WNW (296 degrees)
Wrightwood, CA - 9 km (6 miles) N (11 degrees)
Llano, CA - 17 km (10 miles) ESE (109 degrees)
Oak Hills, CA - 22 km (14 miles) WNW (287 degrees)
Coordinates 34 deg. 26.6 min. N (34.443N), 117 deg. 36.9 min. W (117.615W)
Depth -1.06 km (-0.7 miles)
Quality Fair
Location Quality Parameters Nst=10, Nph=17, Dmin=8.9 km, Rmss=0.28 sec, Erho=0.7 km, Erzz=1.65 km, Gp=186 degrees
Event ID# ci37558532
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