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 7:33:40 PM (PDT) on Tuesday, August 18, 2026.
The magnitude 1.6 event occurred 43 km (27 miles) NE (56 degrees) of Greenfield, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Tuesday, August 18, 2026 at 7:33:40 PM (PDT) Wednesday, August 19, 2026 at 2:33:40 (UTC) |
| Distance from |
Greenfield, CA - 43 km (27 miles) NE (56 degrees) King City, CA - 44 km (27 miles) NE (35 degrees) Soledad, CA - 45 km (28 miles) ENE (74 degrees) Mendota, CA - 48 km (30 miles) WSW (239 degrees) Firebaugh, CA - 50 km (31 miles) SW (224 degrees) |
| Coordinates | 36 deg. 32.0 min. N (36.534N), 120 deg. 50.6 min. W (120.843W) |
| Depth | 6.60 km (4.10 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=16, Nph=15, Dmin=2.2 km, Rmss=0.30 sec, Erho=0.79 km, Erzz=1.71000004 km, Gp=76 degrees |
| Event ID# | nc75421017 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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