USGS · EARTHQUAKE

M 1.6 · 24 km WSW of Salcha, Alaska

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

Source agencyUSGS

Provider event IDaka2026uuvbyq

Magnitude1.6 ml

Depth7.4 km

Occurred / latest reportedOct 20, 2026, 7:20 PM UTC

Provider last updatedOct 20, 2026, 9:55 PM 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)-147.3740, 64.4390

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": [
    -147.374,
    64.439,
    7.4
  ]
}

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 update2026-10-20T21:55:30.343Z · 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.