USGS · EARTHQUAKE

M 4.6 · 208 km SE of Severo-Kuril’sk, Russia

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

Source agencyUSGS

Provider event IDus6000u3w6

Magnitude4.6 mb

Depth10.0 km

Occurred / latest reportedOct 21, 2026, 5:19 PM UTC

Provider last updatedOct 21, 2026, 6:42 PM UTC

TerraPulse collectedOct 21, 2026, 6:43 PM UTC

Catalog statusreviewed

Reported geometryPoint

Location qualityValidated coordinate format (not accuracy assurance)

Country assignmentOffshore, non-point or unassigned

Coordinates (lon, lat)158.0282, 49.2528

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": [
    158.0282,
    49.2528,
    10
  ]
}

Revision observations

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

Collected2026-10-21T18:43:08.700Z· Provider update2026-10-21T18:42:09.040Z · Magnitude 4.6

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