USGS · EARTHQUAKE

M 5.1 · 103 km ENE of Miyako, Japan

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

Source agencyUSGS

Provider event IDus6000tyw6

Magnitude5.1 mww

Depth14.5 km

Occurred / latest reportedOct 1, 2026, 5:17 PM UTC

Provider last updatedOct 12, 2026, 5:10 PM UTC

TerraPulse collectedOct 21, 2026, 1:50 AM UTC

Catalog statusreviewed

Reported geometryPoint

Location qualityValidated coordinate format (not accuracy assurance)

Country assignmentOffshore, non-point or unassigned

Coordinates (lon, lat)143.1211, 39.8559

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": [
    143.1211,
    39.8559,
    14.481
  ]
}

Revision observations

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

Collected2026-10-21T01:50:23.802Z· Provider update2026-10-12T17:10:57.536Z · 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.