USGS · EARTHQUAKE

M 0.2 · 23 km W of Dutch Harbor, Alaska

A reported observation from the original data provider. Values may be revised as new information becomes available.

Source agencyUSGS

Provider event IDav94456903

Magnitude0.2 ml

Depth4.6 km

Occurred / latest reportedOct 19, 2026, 12:46 PM UTC

Provider last updatedOct 20, 2026, 1:03 AM UTC

TerraPulse collectedOct 21, 2026, 1:50 AM UTC

Catalog statusreviewed

Reported geometryPoint

Location qualityValidated coordinate format (not accuracy assurance)

Country assignmentUnited States

Coordinates (lon, lat)-166.9003, 53.8722

GDACS alertNot applicable

Magnitude measures earthquake size; intensity describes shaking at a location. Magnitude alone does not establish casualties or damage.

USGS tsunami flag:0 (not set). This flag does not confirm a tsunami or an official tsunami warning. Consult official warning centers.

Original reported GeoJSON geometry

{
  "type": "Point",
  "coordinates": [
    -166.900333333333,
    53.8721666666667,
    4.58
  ]
}

Revision observations

Changes observed since TerraPulse began collecting this event; this is not a complete provider revision history.

Collected2026-10-21T01:50:15.594Z· Provider update2026-10-20T01:03:03.080Z · Magnitude 0.19

Geographic proximity only; events have not been merged or confirmed as related. Distances use the first reported coordinate for non-point geometries.