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 5:34:28 PM (PDT) on Wednesday, August 20, 2025.
The magnitude 1.3 event occurred 3 km (2 miles) SSE of Redlands, CA.
The hypocentral depth is 15 km ( 9 miles).
Magnitude | 1.3 - local magnitude (Ml) |
Time | Wednesday, August 20, 2025 at 5:34:28 PM (PDT) Thursday, August 21, 2025 at 0:34:28 (UTC) |
Distance from |
Redlands, CA - 3 km (2 miles) SSE (152 degrees) Mentone, CA - 5 km (3 miles) SW (217 degrees) Loma Linda, CA - 9 km (5 miles) E (101 degrees) Highland, CA - 11 km (7 miles) SSE (160 degrees) Yucaipa, CA - 12 km (7 miles) W (270 degrees) |
Coordinates | 34 deg. 2.0 min. N (34.033N), 117 deg. 10.1 min. W (117.168W) |
Depth | 14.82 km (9.20 miles) |
Quality | Good |
Location Quality Parameters | Nst=64, Nph=115, Dmin=5.1 km, Rmss=0.16 sec, Erho=0.13 km, Erzz=0.24 km, Gp=27 degrees |
Event ID# | ci41270224 |
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)