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 2:07:18 AM (PDT) on Thursday, September 3, 2026.
The magnitude 0.4 event occurred 12 km (8 miles) W of Anza, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 0.4 - local magnitude (Ml)
Time Thursday, September 3, 2026 at 2:07:18 AM (PDT)
Thursday, September 3, 2026 at 9:07:18 (UTC)
Distance from Anza, CA - 12 km (8 miles) W (279 degrees)
Aguanga, CA - 15 km (10 miles) NNE (21 degrees)
Idyllwild, CA - 20 km (13 miles) SSW (203 degrees)
Valle Vista, CA - 21 km (13 miles) SSE (157 degrees)
Palomar Observatory, CA - 25 km (15 miles) NNE (13 degrees)
Coordinates 33 deg. 34.3 min. N (33.572N), 116 deg. 48.3 min. W (116.804W)
Depth 6.31 km (3.90 miles)
Quality Excellent
Location Quality Parameters Nst=29, Nph=52, Dmin=4.4 km, Rmss=0.13 sec, Erho=0.16 km, Erzz=0.38 km, Gp=64 degrees
Event ID# ci41541176
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