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 1:38:21 PM (PDT) on Saturday, August 9, 2025.
The magnitude 2.2 event occurred 2 km (1 miles) ENE (78 degrees) of Hayward, CA.
The hypocentral depth is 4 km ( 3 miles).
| Magnitude | 2.2 - duration magnitude (Md) |
| Time | Saturday, August 9, 2025 at 1:38:21 PM (PDT) Saturday, August 9, 2025 at 20:38:21 (UTC) |
| Distance from |
Hayward, CA - 2 km (1 miles) ENE (78 degrees) Fairview, CA - 3 km (2 miles) S (190 degrees) Union City, CA - 6 km (4 miles) NNW (333 degrees) Cherryland, CA - 6 km (4 miles) SE (128 degrees) Castro Valley, CA - 6 km (4 miles) SSE (150 degrees) |
| Coordinates | 37 deg. 38.9 min. N (37.648N), 122 deg. 3.2 min. W (122.053W) |
| Depth | 4.46 km (2.80 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=53, Nph=48, Dmin=8.9 km, Rmss=0.16 sec, Erho=0.19 km, Erzz=0.680000007 km, Gp=32 degrees |
| Event ID# | nc75221217 |
| 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)
