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 9:08:56 PM (PDT) on Saturday, September 11, 2021.
The magnitude 1.0 event occurred 3 km (2 miles) NW of Valle Vista, CA.
The hypocentral depth is 13 km ( 8 miles).


Magnitude 1.0 - local magnitude (Ml)
Time Saturday, September 11, 2021 at 9:08:56 PM (PDT)
Sunday, September 12, 2021 at 4:08:56 (UTC)
Distance from Valle Vista, CA - 3 km (2 miles) NW (320 degrees)
San Jacinto, CA - 4 km (3 miles) ESE (110 degrees)
Hemet, CA - 6 km (4 miles) ENE (63 degrees)
Green Acres, CA - 15 km (9 miles) ENE (76 degrees)
Winchester, CA - 17 km (11 miles) ENE (65 degrees)
Coordinates 33 deg. 46.3 min. N (33.771N), 116 deg. 55.0 min. W (116.917W)
Depth 12.55 km (7.8 miles)
Quality Good
Location Quality Parameters Nst=44, Nph=80, Dmin=9.3 km, Rmss=0.17 sec, Erho=0.17 km, Erzz=0.46 km, Gp=30 degrees
Event ID# ci39806223
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