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 10:01:47 PM (PST) on Friday, December 19, 2025.
The magnitude 2.0 event occurred 5 km (3 miles) N of Dublin, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 2.0 - duration magnitude (Md) |
| Time | Friday, December 19, 2025 at 10:01:47 PM (PST) Saturday, December 20, 2025 at 6:01:47 (UTC) |
| Distance from |
Dublin, CA - 5 km (3 miles) N (358 degrees) San Ramon, CA - 5 km (3 miles) SE (136 degrees) Blackhawk, CA - 9 km (5 miles) SSW (198 degrees) Diablo, CA - 10 km (6 miles) S (170 degrees) Danville, CA - 10 km (6 miles) SSE (147 degrees) |
| Coordinates | 37 deg. 44.9 min. N (37.748N), 121 deg. 56.3 min. W (121.938W) |
| Depth | 9.15 km (5.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=27, Nph=26, Dmin=11.2 km, Rmss=0.06 sec, Erho=0.21 km, Erzz=0.49000001 km, Gp=44 degrees |
| Event ID# | nc75283186 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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