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 #4: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 2:55:18 AM (PDT) on Wednesday, September 15, 2021.
The magnitude 0.3 event occurred 9 km (6 miles) N of Anza, CA.
The hypocentral depth is 14 km ( 8 miles).


Magnitude 0.3 - local magnitude (Ml)
Time Wednesday, September 15, 2021 at 2:55:18 AM (PDT)
Wednesday, September 15, 2021 at 9:55:18 (UTC)
Distance from Anza, CA - 9 km (6 miles) N (350 degrees)
Idyllwild, CA - 12 km (7 miles) SSE (167 degrees)
Valle Vista, CA - 23 km (14 miles) SE (124 degrees)
Palm Springs, CA - 26 km (16 miles) SW (215 degrees)
Cathedral City, CA - 26 km (16 miles) SW (232 degrees)
Coordinates 33 deg. 38.1 min. N (33.634N), 116 deg. 41.4 min. W (116.691W)
Depth 13.67 km (8.5 miles)
Quality Good
Location Quality Parameters Nst=13, Nph=21, Dmin=8.2 km, Rmss=0.16 sec, Erho=0.49 km, Erzz=0.76 km, Gp=109 degrees
Event ID# ci39809295
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