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 6:16:32 AM (PDT) on Saturday, August 30, 2025.
The magnitude 1.7 event occurred 6 km (4 miles) WNW of North Richmond, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Saturday, August 30, 2025 at 6:16:32 AM (PDT) Saturday, August 30, 2025 at 13:16:32 (UTC) |
| Distance from |
North Richmond, CA - 6 km (4 miles) WNW (300 degrees) Santa Venetia, CA - 8 km (5 miles) E (99 degrees) San Pablo, CA - 8 km (5 miles) WNW (290 degrees) Montalvin, CA - 9 km (5 miles) W (263 degrees) San Rafael, CA - 9 km (6 miles) E (81 degrees) |
| Coordinates | 37 deg. 59.2 min. N (37.987N), 122 deg. 25.8 min. W (122.429W) |
| Depth | 9.49 km (5.90 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=22, Nph=21, Dmin=31.9 km, Rmss=0.21 sec, Erho=11.18 km, Erzz=10.6199999 km, Gp=162 degrees |
| Event ID# | nc75230827 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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