INGV, USGS and EMSC data, with the source next to every number.Sources and limits
0.4

Earthquake M 0.4 in the area of Adak, Alaska, 19 October 2026, 10:39 UTC

Recorded 8 d ago. Updated 12:38.

Magnitude
ml 0.4
Time (UTC)
10:39:24
Depth
7 km
Coordinates
51.865 N 177.912 W
Source
USGS
Last revision
12:38

Map: OpenStreetMap contributors data, OpenMapTiles tiles.

What it means

Summary from the source data

An earthquake of magnitude 0.4 was recorded at a depth of 7 km, near Adak, on 19/10 at 10:39 UTC. The data is preliminary and may be updated.

Within 50 km of the epicentre, 6 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 7 km.

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

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