USGS · EARTHQUAKE

M 6.5 · Bonin Islands, Japan region

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

Source agencyUSGS

Provider event IDus6000u4r9

Magnitude6.5 mww

Depth492.4 km

Occurred / latest reportedOct 25, 2026, 2:09 AM UTC

Provider last updatedOct 25, 2026, 4:13 AM UTC

TerraPulse collectedOct 25, 2026, 4:15 AM UTC

Catalog statusreviewed

Reported geometryPoint

Location qualityValidated coordinate format (not accuracy assurance)

Country assignmentOffshore, non-point or unassigned

Coordinates (lon, lat)139.6184, 27.7953

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": [
    139.6184,
    27.7953,
    492.376
  ]
}

Revision observations

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

No revision history available.

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