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 #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 4:38:34 AM (PDT) on Thursday, August 20, 2026.
The magnitude 0.4 event occurred 9 km (6 miles) N of Anza, CA.
The hypocentral depth is 15 km ( 9 miles).
| Magnitude | 0.4 - local magnitude (Ml) |
| Time | Thursday, August 20, 2026 at 4:38:34 AM (PDT) Thursday, August 20, 2026 at 11:38:34 (UTC) |
| Distance from |
Anza, CA - 9 km (6 miles) N (350 degrees) Idyllwild, CA - 12 km (7 miles) SSE (167 degrees) Valle Vista, CA - 23 km (14 miles) SE (124 degrees) Palm Springs, CA - 26 km (16 miles) SW (215 degrees) Cathedral City, CA - 26 km (16 miles) SW (232 degrees) |
| Coordinates | 33 deg. 38.1 min. N (33.635N), 116 deg. 41.4 min. W (116.691W) |
| Depth | 14.51 km (9.00 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=32, Nph=52, Dmin=4.1 km, Rmss=0.09 sec, Erho=0.14 km, Erzz=0.27 km, Gp=50 degrees |
| Event ID# | ci41531104 |
| 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)
