USGS · EARTHQUAKE

M 1.7 · 64 km E of Cantwell, Alaska

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

Source agencyUSGS

Provider event IDaka2026uqsekr

Magnitude1.7 ml

Depth2.4 km

Occurred / latest reportedOct 18, 2026, 1:54 PM UTC

Provider last updatedOct 18, 2026, 1:58 PM UTC

TerraPulse collectedOct 21, 2026, 1:50 AM UTC

Catalog statusautomatic

Reported geometryPoint

Location qualityValidated coordinate format (not accuracy assurance)

Country assignmentUnited States

Coordinates (lon, lat)-147.6780, 63.4770

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": [
    -147.678,
    63.477,
    2.4
  ]
}

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 update2026-10-18T13:58:10.533Z · Magnitude 1.7

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