USGS · EARTHQUAKE

M 1.6 · 17 km NW of Anderson, Alaska

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

Source agencyUSGS

Provider event IDaka2026uvhmdb

Magnitude1.6 ml

Depth12.6 km

Occurred / latest reportedOct 21, 2026, 1:31 AM UTC

Provider last updatedOct 21, 2026, 1:32 AM 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)-149.4040, 64.4660

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": [
    -149.404,
    64.466,
    12.6
  ]
}

Revision observations

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

Collected2026-10-21T01:50:15.154Z· Provider update2026-10-21T01:32:52.371Z · Magnitude 1.6

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