Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 8:13:57 AM (PDT) on Friday, August 22, 2025.
The magnitude 1.9 event occurred 54 km (34 miles) WSW of Ferndale, CA.
The hypocentral depth is 16 km (10 miles).
| Magnitude | 1.9 - duration magnitude (Md) |
| Time | Friday, August 22, 2025 at 8:13:57 AM (PDT) Friday, August 22, 2025 at 15:13:57 (UTC) |
| Distance from |
Ferndale, CA - 54 km (34 miles) WSW (241 degrees) Fortuna, CA - 63 km (39 miles) WSW (243 degrees) Rio Dell, CA - 63 km (39 miles) WSW (254 degrees) Hydesville, CA - 66 km (41 miles) WSW (249 degrees) Humboldt Hill, CA - 69 km (43 miles) SW (231 degrees) |
| Coordinates | 40 deg. 20.2 min. N (40.336N), 124 deg. 49.4 min. W (124.823W) |
| Depth | 15.94 km (9.90 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=39, Nph=42, Dmin=41.2 km, Rmss=0.32 sec, Erho=1.28 km, Erzz=2.2 km, Gp=262 degrees |
| Event ID# | nc75227172 |
| 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)
