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 5:09:08 PM (PDT) on Saturday, July 15, 2023.
The magnitude 1.1 event occurred 5 km (3 miles) NW of Palomar Observatory, CA.
The hypocentral depth is 13 km ( 8 miles).


Magnitude 1.1 - local magnitude (Ml)
Time Saturday, July 15, 2023 at 5:09:08 PM (PDT)
Sunday, July 16, 2023 at 0:09:08 (UTC)
Distance from Palomar Observatory, CA - 5 km (3 miles) NW (309 degrees)
Aguanga, CA - 8 km (5 miles) SSW (212 degrees)
Pala, CA - 16 km (10 miles) E (82 degrees)
Lake Henshaw, CA - 21 km (13 miles) NW (320 degrees)
Valley Center, CA - 22 km (14 miles) NNE (32 degrees)
Coordinates 33 deg. 23.1 min. N (33.385N), 116 deg. 54.5 min. W (116.908W)
Depth 13.04 km (8.1 miles)
Quality Good
Location Quality Parameters Nst=54, Nph=96, Dmin=5.5 km, Rmss=0.19 sec, Erho=0.18 km, Erzz=0.47 km, Gp=34 degrees
Event ID# ci39613906
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