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

A micro earthquake occurred at 1:51:42 AM (PDT) on Sunday, September 12, 2021.
The magnitude 0.5 event occurred 9 km (6 miles) SW of Idyllwild, CA.
The hypocentral depth is 18 km (11 miles).


Magnitude 0.5 - local magnitude (Ml)
Time Sunday, September 12, 2021 at 1:51:42 AM (PDT)
Sunday, September 12, 2021 at 8:51:42 (UTC)
Distance from Idyllwild, CA - 9 km (6 miles) SW (226 degrees)
Valle Vista, CA - 12 km (8 miles) SE (126 degrees)
Hemet, CA - 18 km (11 miles) ESE (112 degrees)
Anza, CA - 18 km (11 miles) NW (324 degrees)
San Jacinto, CA - 19 km (12 miles) SE (125 degrees)
Coordinates 33 deg. 41.1 min. N (33.684N), 116 deg. 47.2 min. W (116.787W)
Depth 17.72 km (11.0 miles)
Quality Good
Location Quality Parameters Nst=32, Nph=56, Dmin=7.4 km, Rmss=0.15 sec, Erho=0.24 km, Erzz=0.41 km, Gp=79 degrees
Event ID# ci39806319
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