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 6:45:57 PM (PDT) on Sunday, October 18, 2026.
The magnitude 1.8 event occurred 14 km (9 miles) NNE (15 degrees) of Brooktrails, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
| Time | Sunday, October 18, 2026 at 6:45:57 PM (PDT) Monday, October 19, 2026 at 1:45:57 (UTC) |
| Distance from |
Brooktrails, CA - 14 km (9 miles) NNE (15 degrees) Willits, CA - 18 km (11 miles) N (3 degrees) Laytonville, CA - 18 km (11 miles) SE (138 degrees) Covelo, CA - 26 km (16 miles) SSW (198 degrees) Redwood Valley, CA - 36 km (22 miles) NNW (340 degrees) |
| Coordinates | 39 deg. 34.0 min. N (39.567N), 123 deg. 20.6 min. W (123.343W) |
| Depth | 8.07 km (5.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=17, Nph=16, Dmin=10.6 km, Rmss=0.09 sec, Erho=0.28 km, Erzz=0.709999979 km, Gp=59 degrees |
| Event ID# | nc75451936 |
| 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)
