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 4:13:44 AM (PDT) on Saturday, August 15, 2026.
The magnitude 1.5 event occurred 8 km (5 miles) ESE of Redwood Valley, CA.
The hypocentral depth is 4 km ( 2 miles).
| Magnitude | 1.5 - duration magnitude (Md) |
| Time | Saturday, August 15, 2026 at 4:13:44 AM (PDT) Saturday, August 15, 2026 at 11:13:44 (UTC) |
| Distance from |
Redwood Valley, CA - 8 km (5 miles) ESE (113 degrees) Ukiah, CA - 12 km (8 miles) NE (38 degrees) Talmage, CA - 12 km (8 miles) NNE (20 degrees) Upper Lake, CA - 20 km (12 miles) WNW (294 degrees) North Lakeport, CA - 25 km (15 miles) NW (312 degrees) |
| Coordinates | 39 deg. 14.3 min. N (39.238N), 123 deg. 7.2 min. W (123.120W) |
| Depth | 3.61 km (2.20 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=14, Nph=14, Dmin=10.0 km, Rmss=0.07 sec, Erho=0.27 km, Erzz=2.19000006 km, Gp=62 degrees |
| Event ID# | nc75418727 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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