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 is a computer-generated message. This event has not yet been reviewed by a seismologist.

A micro earthquake occurred at 1:10:49 PM (PDT) on Wednesday, July 16, 2025.
The magnitude 1.3 event occurred 7 km (4 miles) ESE of Chula Vista, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 1.3 - local magnitude (Ml)
Time Wednesday, July 16, 2025 at 1:10:49 PM (PDT)
Wednesday, July 16, 2025 at 20:10:49 (UTC)
Distance from Chula Vista, CA - 7 km (4 miles) ESE (119 degrees)
San Ysidro, CA - 8 km (5 miles) NE (45 degrees)
Tijuana, B.C., MX - 8 km (5 miles) NNE (22 degrees)
Bonita, CA - 8 km (5 miles) SSE (148 degrees)
Imperial Beach, CA - 12 km (7 miles) E (82 degrees)
Coordinates 32 deg. 35.9 min. N (32.599N), 116 deg. 59.2 min. W (116.986W)
Depth 2.89 km (1.80 miles)
Quality Good
Location Quality Parameters Nst=33, Nph=44, Dmin=5.3 km, Rmss=0.26 sec, Erho=0.77 km, Erzz=0.67 km, Gp=107 degrees
Event ID# ci41024471
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