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 2:13:46 PM (PST) on Sunday, December 7, 2025.
The magnitude 1.6 event occurred 3 km (2 miles) E (99 degrees) of Fremont, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Sunday, December 7, 2025 at 2:13:46 PM (PST) Sunday, December 7, 2025 at 22:13:46 (UTC) |
| Distance from |
Fremont, CA - 3 km (2 miles) E (99 degrees) Newark, CA - 8 km (5 miles) E (83 degrees) Union City, CA - 9 km (6 miles) SE (135 degrees) Milpitas, CA - 13 km (8 miles) NNW (344 degrees) Pleasanton, CA - 15 km (9 miles) SSW (205 degrees) |
| Coordinates | 37 deg. 32.3 min. N (37.538N), 121 deg. 56.8 min. W (121.947W) |
| Depth | 2.64 km (1.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=12, Nph=12, Dmin=13.6 km, Rmss=0.05 sec, Erho=0.37 km, Erzz=1.73000002 km, Gp=81 degrees |
| Event ID# | nc75276036 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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