USGS · EARTHQUAKE

M 1.9 · 103 km NNW of Yakutat, Alaska

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

Source agencyUSGS

Provider event IDaka2026upwele

Magnitude1.9 ml

Depth8.1 km

Occurred / latest reportedOct 18, 2026, 2:54 AM UTC

Provider last updatedOct 18, 2026, 6:44 AM UTC

TerraPulse collectedOct 21, 2026, 1:50 AM UTC

Catalog statusreviewed

Reported geometryPoint

Location qualityValidated coordinate format (not accuracy assurance)

Country assignmentCanada

Coordinates (lon, lat)-140.1700, 60.4510

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": [
    -140.17,
    60.451,
    8.1
  ]
}

Revision observations

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

Collected2026-10-21T01:50:16.467Z· Provider update2026-10-18T06:44:20.374Z · Magnitude 1.9

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