INGV, USGS and EMSC data, with the source next to every number.Sources and limits
1.6

Earthquake M 1.6 in the area of Redwood Valley, CA, 27 October 2026, 18:38 UTC

Recorded 2 h ago. Updated 22:35.

Magnitude
md 1.6
Time (UTC)
18:38:30
Depth
8 km
Coordinates
39.363 N 123.216 W
Source
USGS
Last revision
22:35

Map: OpenStreetMap contributors data, OpenMapTiles tiles.

What it means

Summary from the source data

An earthquake of magnitude 1.6 was recorded at a depth of 8 km, near Redwood Valley, on 27/10 at 18:38 UTC. The data is preliminary and may be updated.

Within 50 km of the epicentre, 16 events were recorded in the last 30 days (maximum magnitude 3.4). In the same area, a stronger quake occurred in the last 30 days (magnitude 3.4). The hypocentre is shallow, at a depth of 8 km.

Quakes of this size are very frequent and are usually not felt by people.

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