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 11:04:52 PM (PDT) on Wednesday, September 10, 2025.
The magnitude 1.7 event occurred 8 km (5 miles) SW of Tamalpais-Homestead Valley, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Wednesday, September 10, 2025 at 11:04:52 PM (PDT) Thursday, September 11, 2025 at 6:04:52 (UTC) |
| Distance from |
Tamalpais-Homestead Valley, CA - 8 km (5 miles) SW (234 degrees) Mill Valley, CA - 9 km (6 miles) SW (215 degrees) Marin City, CA - 9 km (6 miles) WSW (248 degrees) Bolinas, CA - 11 km (7 miles) SE (139 degrees) Strawberry, CA - 11 km (7 miles) SW (232 degrees) |
| Coordinates | 37 deg. 50.2 min. N (37.837N), 122 deg. 36.4 min. W (122.607W) |
| Depth | 5.28 km (3.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=31, Nph=30, Dmin=7.1 km, Rmss=0.08 sec, Erho=0.35 km, Erzz=0.579999983 km, Gp=153 degrees |
| Event ID# | nc75236237 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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