Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 11:13:52 AM (PST) on Tuesday, November 18, 2025.
The magnitude 1.1 event occurred 3 km (2 miles) SE of San Ramon, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 1.1 - duration magnitude (Md) |
| Time | Tuesday, November 18, 2025 at 11:13:52 AM (PST) Tuesday, November 18, 2025 at 19:13:52 (UTC) |
| Distance from |
San Ramon, CA - 3 km (2 miles) SE (127 degrees) Dublin, CA - 7 km (4 miles) N (351 degrees) Blackhawk, CA - 7 km (5 miles) SSW (209 degrees) Diablo, CA - 8 km (5 miles) S (174 degrees) Danville, CA - 8 km (5 miles) SE (145 degrees) |
| Coordinates | 37 deg. 45.7 min. N (37.762N), 121 deg. 56.9 min. W (121.948W) |
| Depth | 8.05 km (5.00 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=20, Nph=20, Dmin=3.1 km, Rmss=0.07 sec, Erho=0.22 km, Erzz=0.53 km, Gp=51 degrees |
| Event ID# | nc75265351 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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