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 10:48:04 AM (PDT) on Thursday, September 18, 2025.
The magnitude 2.4 event occurred 33 km (21 miles) SSW of Ferndale, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 2.4 - duration magnitude (Md) |
| Time | Thursday, September 18, 2025 at 10:48:04 AM (PDT) Thursday, September 18, 2025 at 17:48:04 (UTC) |
| Distance from |
Ferndale, CA - 33 km (21 miles) SSW (206 degrees) Rio Dell, CA - 35 km (22 miles) SW (232 degrees) Hydesville, CA - 39 km (24 miles) SW (227 degrees) Fortuna, CA - 40 km (25 miles) SW (216 degrees) Humboldt Hill, CA - 51 km (32 miles) SSW (204 degrees) |
| Coordinates | 40 deg. 18.3 min. N (40.306N), 124 deg. 26.1 min. W (124.435W) |
| Depth | 9.43 km (5.90 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=13, Nph=13, Dmin=8.1 km, Rmss=0.09 sec, Erho=2.33 km, Erzz=0.800000012 km, Gp=283 degrees |
| Event ID# | nc75239222 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
[
Index map ||
Big earthquake list ||
All earthquake list ||
Glossary of terms ||
Top page
]
[
Did you feel it? ||
ShakeMaps
|| Relative2Me
]
[ Data Sources ]
Special maps
Long Valley || Los Angeles || San Francisco
Data Sources
US and World - USGS/NEIC = National Earthquake Information Center
Northern California - UCB = University of California, Berkeley
Southern California - Caltech = California Institute of Technology
Nevada - UNR = University of Nevada, Reno
Offshore = West Coast & Alaska Tsunami Warning Center
...all members of the Advanced National Seismic System (ANSS)
