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 12:58:36 PM (PDT) on Monday, September 29, 2025.
The magnitude 2.3 event occurred 27 km (17 miles) SW of Carlsbad, CA.
The hypocentral depth is 19 km (12 miles).


Magnitude 2.3 - local magnitude (Ml)
Time Monday, September 29, 2025 at 12:58:36 PM (PDT)
Monday, September 29, 2025 at 19:58:36 (UTC)
Distance from Carlsbad, CA - 27 km (17 miles) SW (235 degrees)
Encinitas, CA - 28 km (17 miles) W (266 degrees)
Camp Pendleton South, CA - 30 km (19 miles) SW (220 degrees)
Solana Beach, CA - 30 km (19 miles) W (276 degrees)
Del Mar, CA - 31 km (19 miles) WNW (283 degrees)
Coordinates 33 deg. 1.2 min. N (33.019N), 117 deg. 35.3 min. W (117.589W)
Depth 18.83 km (11.70 miles)
Quality Good
Location Quality Parameters Nst=57, Nph=98, Dmin=27.8 km, Rmss=0.16 sec, Erho=0.24 km, Erzz=0.4 km, Gp=114 degrees
Event ID# ci41100751
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