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 3:03:33 PM (PDT) on Monday, July 28, 2025.
The magnitude 1.6 event occurred 4 km (2 miles) WNW of San Luis Obispo, CA.
The hypocentral depth is 0.46 km (0.30 miles).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Monday, July 28, 2025 at 3:03:33 PM (PDT) Monday, July 28, 2025 at 22:03:33 (UTC) |
| Distance from |
San Luis Obispo, CA - 4 km (2 miles) WNW (300 degrees) Los Osos, CA - 12 km (8 miles) E (96 degrees) Santa Margarita, CA - 13 km (8 miles) SW (218 degrees) Avila Beach, CA - 14 km (9 miles) NNE (14 degrees) Morro Bay, CA - 16 km (10 miles) ESE (118 degrees) |
| Coordinates | 35 deg. 18.0 min. N (35.300N), 120 deg. 41.7 min. W (120.696W) |
| Depth | 0.46 km (0.30 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=10, Nph=10, Dmin=2.6 km, Rmss=0.10 sec, Erho=0.41 km, Erzz=1.12 km, Gp=65 degrees |
| Event ID# | nc75216307 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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