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 10:04:02 PM (PDT) on Saturday, July 17, 2021.
The magnitude 0.3 event occurred 5 km (3 miles) SSW of Warner Springs, CA.
The hypocentral depth is 12 km ( 7 miles).


Magnitude 0.3 - local magnitude (Ml)
Time Saturday, July 17, 2021 at 10:04:02 PM (PDT)
Sunday, July 18, 2021 at 5:04:02 (UTC)
Distance from Warner Springs, CA - 5 km (3 miles) SSW (200 degrees)
Lake Henshaw, CA - 10 km (6 miles) E (91 degrees)
Julian, CA - 18 km (11 miles) NNW (345 degrees)
Palomar Observatory, CA - 24 km (15 miles) ESE (123 degrees)
Borrego Springs, CA - 26 km (16 miles) W (266 degrees)
Coordinates 33 deg. 14.4 min. N (33.239N), 116 deg. 39.1 min. W (116.652W)
Depth 11.75 km (7.3 miles)
Quality Good
Location Quality Parameters Nst=28, Nph=47, Dmin=4.5 km, Rmss=0.16 sec, Erho=0.23 km, Erzz=0.42 km, Gp=82 degrees
Event ID# ci39744647
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