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 2:42:09 AM (PDT) on Friday, July 18, 2025.
The magnitude 1.9 event occurred 13 km (8 miles) SSE of Rio Dell, CA.
The hypocentral depth is 22 km (14 miles).
| Magnitude | 1.9 - duration magnitude (Md) |
| Time | Friday, July 18, 2025 at 2:42:09 AM (PDT) Friday, July 18, 2025 at 9:42:09 (UTC) |
| Distance from |
Rio Dell, CA - 13 km (8 miles) SSE (162 degrees) Hydesville, CA - 18 km (11 miles) S (170 degrees) Fortuna, CA - 24 km (15 miles) SSE (160 degrees) Ferndale, CA - 27 km (17 miles) SE (140 degrees) Redway, CA - 36 km (23 miles) NW (326 degrees) |
| Coordinates | 40 deg. 23.5 min. N (40.391N), 124 deg. 3.6 min. W (124.060W) |
| Depth | 22.42 km (13.90 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=18, Nph=17, Dmin=5.9 km, Rmss=0.08 sec, Erho=0.5 km, Erzz=0.589999974 km, Gp=79 degrees |
| Event ID# | nc75211587 |
| 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)
