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 7:13:10 PM (PDT) on Wednesday, July 30, 2025.
The magnitude 1.9 event occurred 33 km (20 miles) SSW of Ferndale, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 1.9 - duration magnitude (Md) |
| Time | Wednesday, July 30, 2025 at 7:13:10 PM (PDT) Thursday, July 31, 2025 at 2:13:10 (UTC) |
| Distance from |
Ferndale, CA - 33 km (20 miles) SSW (209 degrees) Rio Dell, CA - 35 km (22 miles) SW (236 degrees) Hydesville, CA - 39 km (24 miles) SW (230 degrees) Fortuna, CA - 40 km (25 miles) SW (219 degrees) Humboldt Hill, CA - 50 km (31 miles) SSW (206 degrees) |
| Coordinates | 40 deg. 19.2 min. N (40.320N), 124 deg. 27.1 min. W (124.452W) |
| Depth | 8.96 km (5.60 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=14, Nph=11, Dmin=9.9 km, Rmss=0.09 sec, Erho=2.46 km, Erzz=0.589999974 km, Gp=304 degrees |
| Event ID# | nc75217217 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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