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

A micro earthquake occurred at 2:21:29 AM (PDT) on Saturday, July 15, 2023.
The magnitude 1.0 event occurred 10 km (6 miles) NW of Pine Valley, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 1.0 - local magnitude (Ml)
Time Saturday, July 15, 2023 at 2:21:29 AM (PDT)
Saturday, July 15, 2023 at 9:21:29 (UTC)
Distance from Pine Valley, CA - 10 km (6 miles) NW (322 degrees)
Alpine, CA - 17 km (11 miles) ENE (68 degrees)
Julian, CA - 21 km (13 miles) S (178 degrees)
San Diego Country Estates, CA - 22 km (14 miles) SE (126 degrees)
Ramona, CA - 30 km (19 miles) ESE (123 degrees)
Coordinates 32 deg. 53.5 min. N (32.892N), 116 deg. 35.7 min. W (116.595W)
Depth 7.7 km (4.8 miles)
Quality Good
Location Quality Parameters Nst=32, Nph=48, Dmin=3.4 km, Rmss=0.21 sec, Erho=0.25 km, Erzz=0.62 km, Gp=39 degrees
Event ID# ci39613498
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