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 4:32:38 AM (PDT) on Wednesday, July 21, 2021.
The magnitude 1.0 event occurred 22 km (14 miles) ESE of Julian, CA.
The hypocentral depth is 13 km ( 8 miles).


Magnitude 1.0 - local magnitude (Ml)
Time Wednesday, July 21, 2021 at 4:32:38 AM (PDT)
Wednesday, July 21, 2021 at 11:32:38 (UTC)
Distance from Julian, CA - 22 km (14 miles) ESE (102 degrees)
Borrego Springs, CA - 24 km (15 miles) S (179 degrees)
Ocotillo Wells, CA - 25 km (16 miles) WSW (242 degrees)
Pine Valley, CA - 28 km (18 miles) NNE (32 degrees)
Warner Springs, CA - 37 km (23 miles) SE (138 degrees)
Coordinates 33 deg. 2.3 min. N (33.038N), 116 deg. 22.2 min. W (116.370W)
Depth 13.15 km (8.2 miles)
Quality Good
Location Quality Parameters Nst=35, Nph=57, Dmin=7.7 km, Rmss=0.26 sec, Erho=0.33 km, Erzz=0.69 km, Gp=82 degrees
Event ID# ci39748239
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