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 9:44:46 PM (PST) on Sunday, December 28, 2025.
The magnitude 1.8 event occurred 10 km (6 miles) NE (56 degrees) of Mexicali, B.C., MX.
The hypocentral depth is 13 km ( 8 miles).
| Magnitude | 1.8 - local magnitude (Ml) |
| Time | Sunday, December 28, 2025 at 9:44:46 PM (PST) Monday, December 29, 2025 at 5:44:46 (UTC) |
| Distance from |
Mexicali, B.C., MX - 10 km (6 miles) NE (56 degrees) Calexico, CA - 11 km (7 miles) ENE (78 degrees) Holtville, CA - 12 km (8 miles) S (181 degrees) Heber, CA - 14 km (9 miles) ESE (104 degrees) Puebla, B.C., MX - 15 km (10 miles) N (349 degrees) |
| Coordinates | 32 deg. 42.0 min. N (32.700N), 115 deg. 23.0 min. W (115.383W) |
| Depth | 12.59 km (7.80 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=33, Nph=53, Dmin=4.3 km, Rmss=0.26 sec, Erho=0.34 km, Erzz=0.61 km, Gp=66 degrees |
| Event ID# | ci41148631 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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