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 11:45:47 PM (PST) on Sunday, November 9, 2025.
The magnitude 1.5 event occurred 2 km (1 miles) ESE of San Ramon, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.5 - duration magnitude (Md) |
| Time | Sunday, November 9, 2025 at 11:45:47 PM (PST) Monday, November 10, 2025 at 7:45:47 (UTC) |
| Distance from |
San Ramon, CA - 2 km (1 miles) ESE (122 degrees) Diablo, CA - 7 km (4 miles) S (180 degrees) Danville, CA - 7 km (4 miles) SSE (147 degrees) Blackhawk, CA - 7 km (4 miles) SW (218 degrees) Dublin, CA - 8 km (5 miles) NNW (345 degrees) |
| Coordinates | 37 deg. 46.2 min. N (37.770N), 121 deg. 57.5 min. W (121.958W) |
| Depth | 5.69 km (3.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=10, Nph=10, Dmin=3.0 km, Rmss=0.07 sec, Erho=0.45 km, Erzz=0.610000014 km, Gp=136 degrees |
| Event ID# | nc75261481 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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