USGS · EARTHQUAKE

M 5.1 · 72 km ENE of Noda, Japan

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

Source agencyUSGS

Provider event IDus6000u4e2

Magnitude5.1 mb

Depth38.1 km

Occurred / latest reportedOct 23, 2026, 4:07 PM UTC

Provider last updatedOct 24, 2026, 12:25 AM UTC

TerraPulse collectedOct 24, 2026, 12:27 AM UTC

Catalog statusreviewed

Reported geometryPoint

Location qualityValidated coordinate format (not accuracy assurance)

Country assignmentOffshore, non-point or unassigned

Coordinates (lon, lat)142.5720, 40.4159

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": [
    142.572,
    40.4159,
    38.138
  ]
}

Revision observations

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

Collected2026-10-24T00:27:04.386Z· Provider update2026-10-24T00:25:45.803Z · Magnitude 5.1

Collected2026-10-23T16:38:04.141Z· Provider update2026-10-23T16:35:09.026Z · Magnitude 5.1

Collected2026-10-23T16:29:05.560Z· Provider update2026-10-23T16:27:06.040Z · Magnitude 5.1

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