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 4:09:24 PM (PST) on Wednesday, December 10, 2025.
The magnitude 1.9 event occurred 5 km (3 miles) N (2 degrees) of Dublin, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.9 - duration magnitude (Md) |
| Time | Wednesday, December 10, 2025 at 4:09:24 PM (PST) Thursday, December 11, 2025 at 0:09:24 (UTC) |
| Distance from |
Dublin, CA - 5 km (3 miles) N (2 degrees) San Ramon, CA - 5 km (3 miles) SE (130 degrees) Blackhawk, CA - 8 km (5 miles) SSW (197 degrees) Danville, CA - 10 km (6 miles) SE (144 degrees) Diablo, CA - 10 km (6 miles) SSE (167 degrees) |
| Coordinates | 37 deg. 45.0 min. N (37.750N), 121 deg. 56.0 min. W (121.934W) |
| Depth | 7.06 km (4.40 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=11.6 km, Rmss=0.06 sec, Erho=0.35 km, Erzz=1.19000006 km, Gp=112 degrees |
| Event ID# | nc75278061 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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