USGS · EARTHQUAKE

M 5.3 · 41 km NNE of Yigo Village, Guam

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

Source agencyUSGS

Provider event IDus6000u1cd

Magnitude5.3 mb

Depth111.6 km

Occurred / latest reportedOct 10, 2026, 3:58 AM UTC

Provider last updatedOct 21, 2026, 4:08 AM UTC

TerraPulse collectedOct 21, 2026, 4:09 AM UTC

Catalog statusreviewed

Reported geometryPoint

Location qualityValidated coordinate format (not accuracy assurance)

Country assignmentOffshore, non-point or unassigned

Coordinates (lon, lat)145.0892, 13.8594

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": [
    145.0892,
    13.8594,
    111.584
  ]
}

Revision observations

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

Collected2026-10-21T04:09:07.412Z· Provider update2026-10-21T04:08:21.884Z · Magnitude 5.3

Collected2026-10-21T01:50:20.330Z· Provider update2026-10-20T04:09:04.917Z · Magnitude 5.3

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