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 9:15:53 PM (PDT) on Thursday, August 13, 2026.
The magnitude 1.5 event occurred 2 km (1 miles) W of Concord, CA.
The hypocentral depth is 14 km ( 9 miles).
| Magnitude | 1.5 - duration magnitude (Md) |
| Time | Thursday, August 13, 2026 at 9:15:53 PM (PDT) Friday, August 14, 2026 at 4:15:53 (UTC) |
| Distance from |
Concord, CA - 2 km (1 miles) W (278 degrees) Pacheco, CA - 3 km (2 miles) ESE (116 degrees) Pleasant Hill, CA - 3 km (2 miles) NNE (33 degrees) Waldon, CA - 5 km (3 miles) NNE (13 degrees) Vine Hill, CA - 6 km (4 miles) SE (132 degrees) |
| Coordinates | 37 deg. 58.2 min. N (37.971N), 122 deg. 2.5 min. W (122.042W) |
| Depth | 14.50 km (9.00 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=12, Nph=12, Dmin=6.7 km, Rmss=0.08 sec, Erho=0.63 km, Erzz=0.980000019 km, Gp=78 degrees |
| Event ID# | nc75418042 |
| 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)
