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 8:06:27 AM (PDT) on Friday, September 10, 2021.
The magnitude 0.7 event occurred 3 km (2 miles) NNW of Palomar Observatory, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 0.7 - local magnitude (Ml)
Time Friday, September 10, 2021 at 8:06:27 AM (PDT)
Friday, September 10, 2021 at 15:06:27 (UTC)
Distance from Palomar Observatory, CA - 3 km (2 miles) NNW (339 degrees)
Aguanga, CA - 7 km (5 miles) S (186 degrees)
Lake Henshaw, CA - 18 km (11 miles) NW (326 degrees)
Pala, CA - 19 km (12 miles) E (86 degrees)
Valley Center, CA - 23 km (14 miles) NE (40 degrees)
Coordinates 33 deg. 22.7 min. N (33.378N), 116 deg. 52.4 min. W (116.874W)
Depth 6.05 km (3.8 miles)
Quality Good
Location Quality Parameters Nst=30, Nph=55, Dmin=2.9 km, Rmss=0.18 sec, Erho=0.21 km, Erzz=0.51 km, Gp=43 degrees
Event ID# ci39804071
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