Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California
Version #6: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 1:46:00 PM (PDT) on Monday, August 4, 2025.
The magnitude 0.9 event occurred 3 km (2 miles) ESE of Lake Henshaw, CA.
The hypocentral depth is 12 km ( 8 miles).
| Magnitude | 0.9 - local magnitude (Ml) |
| Time | Monday, August 4, 2025 at 1:46:00 PM (PDT) Monday, August 4, 2025 at 20:46:00 (UTC) |
| Distance from |
Lake Henshaw, CA - 3 km (2 miles) ESE (121 degrees) Warner Springs, CA - 11 km (7 miles) WSW (237 degrees) Palomar Observatory, CA - 19 km (12 miles) SE (140 degrees) Julian, CA - 21 km (13 miles) NW (323 degrees) Ramona, CA - 24 km (15 miles) NNE (31 degrees) |
| Coordinates | 33 deg. 13.6 min. N (33.227N), 116 deg. 44.1 min. W (116.734W) |
| Depth | 12.16 km (7.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=32, Nph=52, Dmin=2.5 km, Rmss=0.15 sec, Erho=0.18 km, Erzz=0.46 km, Gp=33 degrees |
| Event ID# | ci41252928 |
| 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)
