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 3:47:23 PM (PDT) on Thursday, August 28, 2025.
The magnitude 1.8 event occurred 4 km (2 miles) SW of Loyola, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
| Time | Thursday, August 28, 2025 at 3:47:23 PM (PDT) Thursday, August 28, 2025 at 22:47:23 (UTC) |
| Distance from |
Loyola, CA - 4 km (2 miles) SW (223 degrees) Los Altos Hills, CA - 6 km (4 miles) S (173 degrees) Los Altos, CA - 7 km (4 miles) SSW (192 degrees) Mountain View, CA - 8 km (5 miles) SSW (211 degrees) Cupertino, CA - 9 km (5 miles) W (273 degrees) |
| Coordinates | 37 deg. 19.6 min. N (37.327N), 122 deg. 7.8 min. W (122.129W) |
| Depth | 5.18 km (3.20 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=21, Nph=21, Dmin=2.3 km, Rmss=0.08 sec, Erho=0.22 km, Erzz=0.310000002 km, Gp=58 degrees |
| Event ID# | nc75230062 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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