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 6:39:09 PM (PDT) on Monday, September 29, 2025.
The magnitude 1.7 event occurred 6 km (4 miles) NNW of Laytonville, CA.
The hypocentral depth is 11 km ( 7 miles).
Magnitude | 1.7 - duration magnitude (Md) |
Time | Monday, September 29, 2025 at 6:39:09 PM (PDT) Tuesday, September 30, 2025 at 1:39:09 (UTC) |
Distance from |
Laytonville, CA - 6 km (4 miles) NNW (333 degrees) Covelo, CA - 24 km (15 miles) WSW (255 degrees) Brooktrails, CA - 34 km (21 miles) NNW (341 degrees) Willits, CA - 39 km (24 miles) NNW (339 degrees) Fort Bragg, CA - 41 km (25 miles) NE (37 degrees) |
Coordinates | 39 deg. 44.2 min. N (39.736N), 123 deg. 30.9 min. W (123.515W) |
Depth | 11.31 km (7.00 miles) |
Quality | Fair |
Location Quality Parameters | Nst=5, Nph=4, Dmin=8.0 km, Rmss=0.01 sec, Erho=0.82 km, Erzz=1.64999998 km, Gp=195 degrees |
Event ID# | nc75242701 |
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)