USGS · EARTHQUAKE

M 4.7 · 33 km NE of Shizunai-furukawachō, Japan

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

Source agencyUSGS

Provider event IDus6000u3uc

Magnitude4.7 mb

Depth94.1 km

Occurred / latest reportedOct 21, 2026, 2:40 PM UTC

Provider last updatedOct 21, 2026, 4:46 PM UTC

TerraPulse collectedOct 21, 2026, 4:47 PM UTC

Catalog statusreviewed

Reported geometryPoint

Location qualityValidated coordinate format (not accuracy assurance)

Country assignmentJapan

Coordinates (lon, lat)142.6247, 42.5730

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": [
    142.6247,
    42.573,
    94.112
  ]
}

Revision observations

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

Collected2026-10-21T16:47:06.966Z· Provider update2026-10-21T16:46:17.040Z · Magnitude 4.7

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