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 Adak, Alaska, 27 October 2026, 21:57 UTC

Recorded 32 h ago. Updated 07:01.

Magnitude
ml 1.6
Time (UTC)
21:57:54
Depth
8 km
Coordinates
51.868 N 177.755 W
Source
USGS
Last revision
07:01

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 Adak, on 27/10 at 21:57 UTC. The data is preliminary and may be updated.

Within 50 km of the epicentre, 11 events were recorded in the last 30 days (maximum magnitude 2.4). In the same area, a stronger quake occurred in the last 30 days (magnitude 2.4). 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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