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 12:13:16 PM (PDT) on Tuesday, August 18, 2026.
The magnitude 0.9 event occurred 6 km (4 miles) NNE (17 degrees) of Lake Henshaw, CA.
The hypocentral depth is 12 km ( 8 miles).


Magnitude 0.9 - local magnitude (Ml)
Time Tuesday, August 18, 2026 at 12:13:16 PM (PDT)
Tuesday, August 18, 2026 at 19:13:16 (UTC)
Distance from Lake Henshaw, CA - 6 km (4 miles) NNE (17 degrees)
Warner Springs, CA - 10 km (6 miles) W (275 degrees)
Palomar Observatory, CA - 13 km (8 miles) ESE (123 degrees)
Aguanga, CA - 20 km (13 miles) SSE (147 degrees)
Julian, CA - 27 km (17 miles) NNW (330 degrees)
Coordinates 33 deg. 17.4 min. N (33.290N), 116 deg. 44.7 min. W (116.745W)
Depth 12.22 km (7.60 miles)
Quality Good
Location Quality Parameters Nst=40, Nph=66, Dmin=6.2 km, Rmss=0.15 sec, Erho=0.16 km, Erzz=0.51 km, Gp=37 degrees
Event ID# ci41529496
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