INGV, USGS and EMSC data, with the source next to every number.Sources and limits
1.7

Earthquake M 1.7 in the area of Adak, Alaska, 27 October 2026, 05:40 UTC

Recorded 41 h ago. Updated 00:30.

Magnitude
ml 1.7
Time (UTC)
05:40:33
Depth
2 km
Coordinates
51.868 N 176.626 W
Source
USGS
Last revision
00:30

Map: OpenStreetMap contributors data, OpenMapTiles tiles.

What it means

Summary from the source data

An earthquake of magnitude 1.7 was recorded at a depth of 2 km, near Adak, on 27/10 at 05:40 UTC. The data is preliminary and may be updated.

Within 50 km of the epicentre, 3 events were recorded in the last 24 hours (maximum magnitude 1.7). Within 50 km of the epicentre, 5 events were recorded in the last 30 days (maximum magnitude 2.5). In the same area, a stronger quake occurred in the last 30 days (magnitude 2.5). The hypocentre is shallow, at a depth of 2 km.

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

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