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 6:25:02 AM (PDT) on Tuesday, August 18, 2026.
The magnitude 1.5 event occurred 6 km (4 miles) W of Cobb, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | 1.5 - duration magnitude (Md) |
| Time | Tuesday, August 18, 2026 at 6:25:02 AM (PDT) Tuesday, August 18, 2026 at 13:25:02 (UTC) |
| Distance from |
Cobb, CA - 6 km (4 miles) W (280 degrees) The Geysers, CA - 7 km (4 miles) NNW (333 degrees) Kelseyville, CA - 17 km (10 miles) SSE (166 degrees) Middletown, CA - 18 km (11 miles) WNW (300 degrees) Lower Lake, CA - 18 km (11 miles) WSW (241 degrees) |
| Coordinates | 38 deg. 49.9 min. N (38.831N), 122 deg. 47.5 min. W (122.791W) |
| Depth | 2.57 km (1.60 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=30, Nph=30, Dmin=0.8 km, Rmss=0.03 sec, Erho=0.23 km, Erzz=0.409999996 km, Gp=87 degrees |
| Event ID# | nc75420577 |
| 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)
