USGS · EARTHQUAKE

M 5.0 · 81 km S of Sand Point, Alaska

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

Source agencyUSGS

Provider event IDus6000u3lf

Magnitude5.0 mwr

Depth35.0 km

Occurred / latest reportedOct 20, 2026, 10:40 AM UTC

Provider last updatedOct 21, 2026, 4:50 AM UTC

TerraPulse collectedOct 21, 2026, 4:53 AM UTC

Catalog statusreviewed

Reported geometryPoint

Location qualityValidated coordinate format (not accuracy assurance)

Country assignmentOffshore, non-point or unassigned

Coordinates (lon, lat)-160.3291, 54.6088

GDACS alertNot applicable

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

USGS tsunami flag:1 (set). This flag does not confirm a tsunami or an official tsunami warning. Consult official warning centers.

Original reported GeoJSON geometry

{
  "type": "Point",
  "coordinates": [
    -160.3291,
    54.6088,
    35
  ]
}

Revision observations

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

Collected2026-10-21T04:53:04.743Z· Provider update2026-10-21T04:50:43.027Z · Magnitude 5

Collected2026-10-21T01:50:15.154Z· Provider update2026-10-20T22:50:48.708Z · Magnitude 5

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