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 4:51:21 AM (PDT) on Thursday, August 20, 2026.
The magnitude 1.8 event occurred 20 km (12 miles) NE (49 degrees) of Gonzales, CA.
The hypocentral depth is 4 km ( 2 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
| Time | Thursday, August 20, 2026 at 4:51:21 AM (PDT) Thursday, August 20, 2026 at 11:51:21 (UTC) |
| Distance from |
Gonzales, CA - 20 km (12 miles) NE (49 degrees) Chualar, CA - 22 km (14 miles) ENE (74 degrees) Ridgemark, CA - 22 km (14 miles) SSE (159 degrees) Soledad, CA - 23 km (14 miles) N (11 degrees) Hollister, CA - 27 km (17 miles) SSE (156 degrees) |
| Coordinates | 36 deg. 37.5 min. N (36.625N), 121 deg. 16.6 min. W (121.277W) |
| Depth | 4.00 km (2.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=33, Nph=30, Dmin=3.7 km, Rmss=0.19 sec, Erho=0.32 km, Erzz=1.30999994 km, Gp=48 degrees |
| Event ID# | nc75421722 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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