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 4:55:20 PM (PST) on Sunday, November 9, 2025.
The magnitude 2.0 event occurred 4 km (3 miles) SE of San Ramon, CA.
The hypocentral depth is 9 km ( 5 miles).
| Magnitude | 2.0 - duration magnitude (Md) |
| Time | Sunday, November 9, 2025 at 4:55:20 PM (PST) Monday, November 10, 2025 at 0:55:20 (UTC) |
| Distance from |
San Ramon, CA - 4 km (3 miles) SE (129 degrees) Dublin, CA - 6 km (4 miles) N (357 degrees) Blackhawk, CA - 8 km (5 miles) SSW (201 degrees) Diablo, CA - 9 km (6 miles) S (170 degrees) Danville, CA - 9 km (6 miles) SE (144 degrees) |
| Coordinates | 37 deg. 45.3 min. N (37.756N), 121 deg. 56.4 min. W (121.940W) |
| Depth | 8.52 km (5.30 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=25, Nph=25, Dmin=3.5 km, Rmss=0.05 sec, Erho=0.19 km, Erzz=0.469999999 km, Gp=47 degrees |
| Event ID# | nc75261361 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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