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

A micro earthquake occurred at 1:00:41 PM (PDT) on Friday, March 20, 2026.
The magnitude 0.3 event occurred 3 km (2 miles) W of Lake Henshaw, CA.
The hypocentral depth is 16 km (10 miles).


Magnitude 0.3 - local magnitude (Ml)
Time Friday, March 20, 2026 at 1:00:41 PM (PDT)
Friday, March 20, 2026 at 20:00:41 (UTC)
Distance from Lake Henshaw, CA - 3 km (2 miles) W (259 degrees)
Palomar Observatory, CA - 15 km (9 miles) SSE (154 degrees)
Warner Springs, CA - 16 km (10 miles) WSW (251 degrees)
Valley Center, CA - 22 km (14 miles) E (85 degrees)
San Pasqual, CA - 22 km (14 miles) NE (43 degrees)
Coordinates 33 deg. 14.2 min. N (33.236N), 116 deg. 47.6 min. W (116.794W)
Depth 15.67 km (9.70 miles)
Quality Good
Location Quality Parameters Nst=10, Nph=16, Dmin=3.3 km, Rmss=0.27 sec, Erho=0.67 km, Erzz=1.41 km, Gp=102 degrees
Event ID# ci10233310
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