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 11:01:08 AM (PDT) on Wednesday, July 30, 2025.
The magnitude 0.5 event occurred 6 km (4 miles) WNW of Cobb, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 0.5 - duration magnitude (Md) |
| Time | Wednesday, July 30, 2025 at 11:01:08 AM (PDT) Wednesday, July 30, 2025 at 18:01:08 (UTC) |
| Distance from |
Cobb, CA - 6 km (4 miles) WNW (288 degrees) The Geysers, CA - 7 km (4 miles) NNW (340 degrees) Kelseyville, CA - 16 km (10 miles) SSE (163 degrees) Lower Lake, CA - 17 km (11 miles) WSW (242 degrees) Soda Bay, CA - 18 km (11 miles) S (179 degrees) |
| Coordinates | 38 deg. 50.2 min. N (38.837N), 122 deg. 47.1 min. W (122.785W) |
| Depth | 2.15 km (1.30 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=11, Nph=14, Dmin=0.5 km, Rmss=0.03 sec, Erho=0.27 km, Erzz=0.3 km, Gp=78 degrees |
| Event ID# | nc75217047 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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