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 10:49:28 PM (PDT) on Tuesday, July 20, 2021.
The magnitude 0.4 event occurred 17 km (10 miles) ESE of Anza, CA.
The hypocentral depth is 14 km ( 8 miles).


Magnitude 0.4 - local magnitude (Ml)
Time Tuesday, July 20, 2021 at 10:49:28 PM (PDT)
Wednesday, July 21, 2021 at 5:49:28 (UTC)
Distance from Anza, CA - 17 km (10 miles) ESE (120 degrees)
Warner Springs, CA - 24 km (15 miles) NNE (26 degrees)
Borrego Springs, CA - 28 km (17 miles) NNW (332 degrees)
La Quinta, CA - 28 km (17 miles) SW (223 degrees)
Palm Desert, CA - 30 km (19 miles) SSW (206 degrees)
Coordinates 33 deg. 28.7 min. N (33.479N), 116 deg. 31.0 min. W (116.516W)
Depth 13.65 km (8.5 miles)
Quality Good
Location Quality Parameters Nst=24, Nph=46, Dmin=8.2 km, Rmss=0.15 sec, Erho=0.23 km, Erzz=0.55 km, Gp=67 degrees
Event ID# ci39748095
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