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

A micro earthquake occurred at 11:32:48 PM (PDT) on Tuesday, August 18, 2026.
The magnitude 0.6 event occurred 5 km (3 miles) NNE (20 degrees) of Lake Henshaw, CA.
The hypocentral depth is 13 km ( 8 miles).


Magnitude 0.6 - local magnitude (Ml)
Time Tuesday, August 18, 2026 at 11:32:48 PM (PDT)
Wednesday, August 19, 2026 at 6:32:48 (UTC)
Distance from Lake Henshaw, CA - 5 km (3 miles) NNE (20 degrees)
Warner Springs, CA - 10 km (6 miles) W (274 degrees)
Palomar Observatory, CA - 14 km (8 miles) SE (124 degrees)
Aguanga, CA - 21 km (13 miles) SSE (147 degrees)
Julian, CA - 27 km (17 miles) NNW (331 degrees)
Coordinates 33 deg. 17.3 min. N (33.288N), 116 deg. 44.6 min. W (116.743W)
Depth 13.00 km (8.10 miles)
Quality Good
Location Quality Parameters Nst=39, Nph=68, Dmin=5.9 km, Rmss=0.16 sec, Erho=0.19 km, Erzz=0.46 km, Gp=35 degrees
Event ID# ci41529888
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