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 #3: 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 12:59:30 PM (PDT) on Thursday, April 30, 2026.
The magnitude 1.0 event occurred 7 km (4 miles) E (97 degrees) of Chula Vista, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 1.0 - local magnitude (Ml)
Time Thursday, April 30, 2026 at 12:59:30 PM (PDT)
Thursday, April 30, 2026 at 19:59:30 (UTC)
Distance from Chula Vista, CA - 7 km (4 miles) E (97 degrees)
Bonita, CA - 7 km (4 miles) SE (129 degrees)
San Ysidro, CA - 10 km (6 miles) NE (40 degrees)
La Presa, CA - 10 km (6 miles) SSE (168 degrees)
Tijuana, B.C., MX - 11 km (7 miles) NNE (23 degrees)
Coordinates 32 deg. 37.2 min. N (32.620N), 116 deg. 58.5 min. W (116.975W)
Depth 2.00 km (1.20 miles)
Quality Fair
Location Quality Parameters Nst=21, Nph=29, Dmin=4.4 km, Rmss=0.17 sec, Erho=0.83 km, Erzz=0.67 km, Gp=230 degrees
Event ID# ci41238359
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