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 #4: 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 5:02:22 PM (PDT) on Friday, September 19, 2025.
The magnitude 0.9 event occurred 8 km (5 miles) N of Big Bear City, CA.
The hypocentral depth is 2 km ( 2 miles).
Magnitude | 0.9 - local magnitude (Ml) |
Time | Friday, September 19, 2025 at 5:02:22 PM (PDT) Saturday, September 20, 2025 at 0:02:22 (UTC) |
Distance from |
Big Bear City, CA - 8 km (5 miles) N (357 degrees) Big Bear Lake, CA - 11 km (7 miles) NNE (30 degrees) Lucerne Valley, CA - 17 km (10 miles) SE (139 degrees) Running Springs, CA - 28 km (17 miles) ENE (60 degrees) Lake Arrowhead, CA - 33 km (20 miles) ENE (73 degrees) |
Coordinates | 34 deg. 19.9 min. N (34.332N), 116 deg. 51.0 min. W (116.849W) |
Depth | 2.36 km (1.50 miles) |
Quality | Good |
Location Quality Parameters | Nst=32, Nph=51, Dmin=2.7 km, Rmss=0.17 sec, Erho=0.18 km, Erzz=0.26 km, Gp=51 degrees |
Event ID# | ci40446506 |
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)