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 10:54:51 PM (PST) on Monday, November 17, 2025.
The magnitude 1.1 event occurred 4 km (3 miles) SE of San Ramon, CA.
The hypocentral depth is 4 km ( 3 miles).
| Magnitude | 1.1 - duration magnitude (Md) |
| Time | Monday, November 17, 2025 at 10:54:51 PM (PST) Tuesday, November 18, 2025 at 6:54:51 (UTC) |
| Distance from |
San Ramon, CA - 4 km (3 miles) SE (135 degrees) Dublin, CA - 6 km (3 miles) N (354 degrees) Blackhawk, CA - 8 km (5 miles) SSW (202 degrees) Diablo, CA - 9 km (6 miles) S (172 degrees) Danville, CA - 9 km (6 miles) SSE (147 degrees) |
| Coordinates | 37 deg. 45.1 min. N (37.752N), 121 deg. 56.5 min. W (121.942W) |
| Depth | 4.43 km (2.80 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=4.0 km, Rmss=0.09 sec, Erho=0.56 km, Erzz=1.46000004 km, Gp=84 degrees |
| Event ID# | nc75265001 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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