Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 10:56:59 PM (PDT) on Sunday, August 17, 2025.
The magnitude 0.9 event occurred 20 km (12 miles) E of Alum Rock, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 0.9 - duration magnitude (Md) |
| Time | Sunday, August 17, 2025 at 10:56:59 PM (PDT) Monday, August 18, 2025 at 5:56:59 (UTC) |
| Distance from |
Alum Rock, CA - 20 km (12 miles) E (101 degrees) East Foothills, CA - 20 km (12 miles) ESE (107 degrees) Seven Trees, CA - 21 km (13 miles) ENE (76 degrees) Morgan Hill, CA - 23 km (14 miles) N (11 degrees) San Jose, CA - 26 km (16 miles) E (92 degrees) |
| Coordinates | 37 deg. 19.8 min. N (37.331N), 121 deg. 36.3 min. W (121.605W) |
| Depth | 6.80 km (4.20 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=14, Nph=21, Dmin=3.6 km, Rmss=0.09 sec, Erho=0.22 km, Erzz=0.4 km, Gp=55 degrees |
| Event ID# | nc75225322 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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