Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #0: 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 3:12:51 PM (PST) on Wednesday, December 31, 2025.
The magnitude 1.6 event occurred 7 km (4 miles) WSW of Atascadero, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Wednesday, December 31, 2025 at 3:12:51 PM (PST) Wednesday, December 31, 2025 at 23:12:51 (UTC) |
| Distance from |
Atascadero, CA - 7 km (4 miles) WSW (237 degrees) Templeton, CA - 11 km (7 miles) SSW (194 degrees) Santa Margarita, CA - 14 km (8 miles) WNW (303 degrees) Cayucos, CA - 14 km (9 miles) E (84 degrees) Morro Bay, CA - 15 km (9 miles) NE (46 degrees) |
| Coordinates | 35 deg. 27.4 min. N (35.456N), 120 deg. 44.1 min. W (120.734W) |
| Depth | 5.62 km (3.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=15, Nph=15, Dmin=7.4 km, Rmss=0.06 sec, Erho=0.31 km, Erzz=0.790000021 km, Gp=93 degrees |
| Event ID# | nc75289401 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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