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 3:56:39 PM (PST) on Sunday, December 7, 2025.
The magnitude 1.9 event occurred 16 km (10 miles) SSE of Livermore, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 1.9 - duration magnitude (Md) |
| Time | Sunday, December 7, 2025 at 3:56:39 PM (PST) Sunday, December 7, 2025 at 23:56:39 (UTC) |
| Distance from |
Livermore, CA - 16 km (10 miles) SSE (151 degrees) Pleasanton, CA - 21 km (13 miles) SE (125 degrees) East Foothills, CA - 23 km (14 miles) NNE (32 degrees) Milpitas, CA - 24 km (15 miles) NE (55 degrees) Alum Rock, CA - 25 km (15 miles) NNE (32 degrees) |
| Coordinates | 37 deg. 33.2 min. N (37.554N), 121 deg. 40.8 min. W (121.680W) |
| Depth | 4.85 km (3.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=18, Nph=18, Dmin=8.8 km, Rmss=0.09 sec, Erho=0.27 km, Erzz=0.970000029 km, Gp=58 degrees |
| Event ID# | nc75276106 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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