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 1:53:01 PM (PST) on Tuesday, November 18, 2025.
The magnitude 1.3 event occurred 4 km (3 miles) SE of San Ramon, CA.
The hypocentral depth is 7 km ( 5 miles).
| Magnitude | 1.3 - duration magnitude (Md) |
| Time | Tuesday, November 18, 2025 at 1:53:01 PM (PST) Tuesday, November 18, 2025 at 21:53:01 (UTC) |
| Distance from |
San Ramon, CA - 4 km (3 miles) SE (131 degrees) Dublin, CA - 6 km (4 miles) N (356 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 (145 degrees) |
| Coordinates | 37 deg. 45.3 min. N (37.754N), 121 deg. 56.4 min. W (121.940W) |
| Depth | 7.37 km (4.60 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=14, Nph=14, Dmin=3.7 km, Rmss=0.04 sec, Erho=0.33 km, Erzz=0.59 km, Gp=61 degrees |
| Event ID# | nc75265426 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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