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 7:33:30 PM (PDT) on Saturday, August 9, 2025.
The magnitude 2.5 event occurred 8 km (5 miles) ESE of East Foothills, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 2.5 - duration magnitude (Md) |
| Time | Saturday, August 9, 2025 at 7:33:30 PM (PDT) Sunday, August 10, 2025 at 2:33:30 (UTC) |
| Distance from |
East Foothills, CA - 8 km (5 miles) ESE (103 degrees) Alum Rock, CA - 9 km (6 miles) E (91 degrees) Seven Trees, CA - 13 km (8 miles) NE (49 degrees) San Jose, CA - 15 km (9 miles) E (80 degrees) Buena Vista, CA - 18 km (11 miles) ENE (74 degrees) |
| Coordinates | 37 deg. 21.8 min. N (37.364N), 121 deg. 43.4 min. W (121.724W) |
| Depth | 7.04 km (4.40 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=70, Nph=66, Dmin=7.6 km, Rmss=0.07 sec, Erho=0.13 km, Erzz=0.349999994 km, Gp=30 degrees |
| Event ID# | nc75221282 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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