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 9:37:45 PM (PST) on Sunday, December 28, 2025.
The magnitude 1.7 event occurred 10 km (6 miles) ENE (59 degrees) of Mexicali, B.C., MX.
The hypocentral depth is 12 km ( 8 miles).
| Magnitude | 1.7 - local magnitude (Ml) |
| Time | Sunday, December 28, 2025 at 9:37:45 PM (PST) Monday, December 29, 2025 at 5:37:45 (UTC) |
| Distance from |
Mexicali, B.C., MX - 10 km (6 miles) ENE (59 degrees) Calexico, CA - 12 km (7 miles) E (79 degrees) Holtville, CA - 13 km (8 miles) S (177 degrees) Heber, CA - 15 km (9 miles) ESE (104 degrees) Puebla, B.C., MX - 15 km (9 miles) N (353 degrees) |
| Coordinates | 32 deg. 41.9 min. N (32.699N), 115 deg. 22.4 min. W (115.374W) |
| Depth | 12.34 km (7.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=31, Nph=46, Dmin=3.4 km, Rmss=0.32 sec, Erho=0.44 km, Erzz=0.72 km, Gp=66 degrees |
| Event ID# | ci41148623 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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