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 4:42:58 AM (PST) on Friday, December 12, 2025.
The magnitude 1.2 event occurred 3 km (2 miles) S of Yorba Linda, CA.
The hypocentral depth is 15 km (10 miles).
| Magnitude | 1.2 - local magnitude (Ml) |
| Time | Friday, December 12, 2025 at 4:42:58 AM (PST) Friday, December 12, 2025 at 12:42:58 (UTC) |
| Distance from |
Yorba Linda, CA - 3 km (2 miles) S (175 degrees) Villa Park, CA - 5 km (3 miles) N (4 degrees) Placentia, CA - 6 km (4 miles) ESE (105 degrees) Orange, CA - 7 km (4 miles) NNE (19 degrees) Anaheim, CA - 8 km (5 miles) ENE (72 degrees) |
| Coordinates | 33 deg. 51.5 min. N (33.858N), 117 deg. 48.6 min. W (117.810W) |
| Depth | 15.41 km (9.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=31, Nph=48, Dmin=3.8 km, Rmss=0.16 sec, Erho=0.25 km, Erzz=0.29 km, Gp=84 degrees |
| Event ID# | ci41350328 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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