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 7:04:18 PM (PDT) on Monday, August 18, 2025.
The magnitude 1.4 event occurred 13 km (8 miles) ENE (60 degrees) of Tijuana, B.C., MX.
The hypocentral depth is 16 km (10 miles).


Magnitude 1.4 - local magnitude (Ml)
Time Monday, August 18, 2025 at 7:04:18 PM (PDT)
Tuesday, August 19, 2025 at 2:04:18 (UTC)
Distance from Tijuana, B.C., MX - 13 km (8 miles) ENE (60 degrees)
San Ysidro, CA - 14 km (9 miles) ENE (73 degrees)
Jamul, CA - 14 km (9 miles) S (188 degrees)
Chula Vista, CA - 15 km (9 miles) ESE (107 degrees)
Bonita, CA - 15 km (9 miles) ESE (121 degrees)
Coordinates 32 deg. 35.4 min. N (32.590N), 116 deg. 53.8 min. W (116.896W)
Depth 16.21 km (10.10 miles)
Quality Good
Location Quality Parameters Nst=51, Nph=90, Dmin=3.8 km, Rmss=0.2 sec, Erho=0.24 km, Erzz=0.4 km, Gp=70 degrees
Event ID# ci40402378
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