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 10:51:11 PM (PDT) on Saturday, September 11, 2021.
The magnitude 1.2 event occurred 12 km (7 miles) SSE of Anza, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 1.2 - local magnitude (Ml)
Time Saturday, September 11, 2021 at 10:51:11 PM (PDT)
Sunday, September 12, 2021 at 5:51:11 (UTC)
Distance from Anza, CA - 12 km (7 miles) SSE (157 degrees)
Warner Springs, CA - 19 km (12 miles) N (3 degrees)
Aguanga, CA - 23 km (14 miles) E (86 degrees)
Palomar Observatory, CA - 25 km (16 miles) ENE (63 degrees)
Lake Henshaw, CA - 27 km (17 miles) NNE (28 degrees)
Coordinates 33 deg. 27.4 min. N (33.457N), 116 deg. 37.4 min. W (116.623W)
Depth 8.3 km (5.2 miles)
Quality Good
Location Quality Parameters Nst=50, Nph=74, Dmin=4.6 km, Rmss=0.16 sec, Erho=0.16 km, Erzz=0.44 km, Gp=39 degrees
Event ID# ci39806279
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