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 4:55:43 AM (PDT) on Monday, July 19, 2021.
The magnitude 1.5 event occurred 2 km (1 miles) NW of Lake Henshaw, CA.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 1.5 - local magnitude (Ml)
Time Monday, July 19, 2021 at 4:55:43 AM (PDT)
Monday, July 19, 2021 at 11:55:43 (UTC)
Distance from Lake Henshaw, CA - 2 km (1 miles) NW (304 degrees)
Palomar Observatory, CA - 14 km (9 miles) SE (146 degrees)
Warner Springs, CA - 14 km (9 miles) WSW (256 degrees)
Aguanga, CA - 23 km (14 miles) SSE (160 degrees)
Valley Center, CA - 24 km (15 miles) E (81 degrees)
Coordinates 33 deg. 15.1 min. N (33.252N), 116 deg. 46.8 min. W (116.781W)
Depth 7.23 km (4.5 miles)
Quality Good
Location Quality Parameters Nst=61, Nph=113, Dmin=2.7 km, Rmss=0.18 sec, Erho=0.14 km, Erzz=0.5 km, Gp=25 degrees
Event ID# ci39745551
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