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 #3: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.

A micro earthquake occurred at 2:24:09 PM (PDT) on Thursday, July 20, 2023.
The magnitude 1.0 event occurred 7 km (4 miles) W of Borrego Springs, CA.
The hypocentral depth is 17 km (11 miles).


Magnitude 1.0 - local magnitude (Ml)
Time Thursday, July 20, 2023 at 2:24:09 PM (PDT)
Thursday, July 20, 2023 at 21:24:09 (UTC)
Distance from Borrego Springs, CA - 7 km (4 miles) W (268 degrees)
Warner Springs, CA - 17 km (11 miles) E (100 degrees)
Julian, CA - 24 km (15 miles) NE (36 degrees)
Lake Henshaw, CA - 29 km (18 miles) E (87 degrees)
Ocotillo Wells, CA - 32 km (20 miles) WNW (293 degrees)
Coordinates 33 deg. 15.2 min. N (33.254N), 116 deg. 27.1 min. W (116.451W)
Depth 17.38 km (10.8 miles)
Quality Good
Location Quality Parameters Nst=15, Nph=15, Dmin=19.3 km, Rmss=0.25 sec, Erho=0.97 km, Erzz=2.21 km, Gp=115 degrees
Event ID# ci39617970
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