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 12:01:42 PM (PDT) on Saturday, August 9, 2025.
The magnitude 0.4 event occurred 1 km (1 miles) NE (46 degrees) of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 0.4 - duration magnitude (Md) |
| Time | Saturday, August 9, 2025 at 12:01:42 PM (PDT) Saturday, August 9, 2025 at 19:01:42 (UTC) |
| Distance from |
The Geysers, CA - 1 km (1 miles) NE (46 degrees) Cobb, CA - 4 km (3 miles) SSW (205 degrees) Middletown, CA - 12 km (7 miles) WNW (289 degrees) Hidden Valley Lake, CA - 16 km (10 miles) W (262 degrees) Lower Lake, CA - 18 km (11 miles) SW (220 degrees) |
| Coordinates | 38 deg. 47.2 min. N (38.786N), 122 deg. 44.7 min. W (122.744W) |
| Depth | 1.58 km (1.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=7, Nph=7, Dmin=0.7 km, Rmss=0.01 sec, Erho=0.38 km, Erzz=0.839999974 km, Gp=98 degrees |
| Event ID# | nc75221177 |
| 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)
