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 10:14:48 AM (PDT) on Saturday, August 1, 2026.
The magnitude 1.0 event occurred 3 km (2 miles) ENE (63 degrees) of Larkfield-Wikiup, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 1.0 - duration magnitude (Md) |
| Time | Saturday, August 1, 2026 at 10:14:48 AM (PDT) Saturday, August 1, 2026 at 17:14:48 (UTC) |
| Distance from |
Larkfield-Wikiup, CA - 3 km (2 miles) ENE (63 degrees) Windsor, CA - 9 km (6 miles) ESE (104 degrees) Santa Rosa, CA - 9 km (6 miles) N (354 degrees) Roseland, CA - 12 km (7 miles) N (5 degrees) Calistoga, CA - 13 km (8 miles) WSW (244 degrees) |
| Coordinates | 38 deg. 31.7 min. N (38.528N), 122 deg. 42.9 min. W (122.715W) |
| Depth | 8.46 km (5.30 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=4, Nph=4, Dmin=28.7 km, Rmss=0.00 sec, Erho=1.69 km, Erzz=5.51000023 km, Gp=210 degrees |
| Event ID# | nc75409727 |
| 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)
