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 0:42:45 AM (PST) on Wednesday, December 10, 2025.
The magnitude 1.5 event occurred 5 km (3 miles) N (0 degrees) of Dublin, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 1.5 - duration magnitude (Md) |
| Time | Wednesday, December 10, 2025 at 0:42:45 AM (PST) Wednesday, December 10, 2025 at 8:42:45 (UTC) |
| Distance from |
Dublin, CA - 5 km (3 miles) N (0 degrees) San Ramon, CA - 5 km (3 miles) SE (134 degrees) Blackhawk, CA - 9 km (5 miles) SSW (197 degrees) Diablo, CA - 10 km (6 miles) S (169 degrees) Danville, CA - 10 km (6 miles) SE (146 degrees) |
| Coordinates | 37 deg. 44.8 min. N (37.747N), 121 deg. 56.1 min. W (121.936W) |
| Depth | 1.76 km (1.10 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=7, Nph=7, Dmin=11.4 km, Rmss=0.04 sec, Erho=0.28 km, Erzz=2.4000001 km, Gp=88 degrees |
| Event ID# | nc75277706 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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