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 7:43:46 PM (PDT) on Sunday, August 9, 2026.
The magnitude 1.7 event occurred 9 km (5 miles) SSW of Ridgemark, CA.
The hypocentral depth is 9 km ( 5 miles).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Sunday, August 9, 2026 at 7:43:46 PM (PDT) Monday, August 10, 2026 at 2:43:46 (UTC) |
| Distance from |
Ridgemark, CA - 9 km (5 miles) SSW (196 degrees) Hollister, CA - 12 km (8 miles) S (178 degrees) San Juan Bautista, CA - 18 km (11 miles) SE (133 degrees) Chualar, CA - 22 km (13 miles) NNE (31 degrees) Salinas, CA - 23 km (14 miles) ENE (75 degrees) |
| Coordinates | 36 deg. 44.2 min. N (36.737N), 121 deg. 23.5 min. W (121.392W) |
| Depth | 8.74 km (5.40 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=30, Nph=30, Dmin=5.3 km, Rmss=0.15 sec, Erho=0.33 km, Erzz=0.689999998 km, Gp=56 degrees |
| Event ID# | nc75415002 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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