USGS · EARTHQUAKE

M 4.5 · 9 km S of Mongar, Bhutan

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

Source agencyUSGS

Provider event IDus6000txlw

Magnitude4.5 mb

Depth10.0 km

Occurred / latest reportedSep 21, 2026, 8:10 AM UTC

Provider last updatedOct 15, 2026, 7:36 PM UTC

TerraPulse collectedOct 21, 2026, 1:50 AM UTC

Catalog statusreviewed

Reported geometryPoint

Location qualityValidated coordinate format (not accuracy assurance)

Country assignmentBhutan

Coordinates (lon, lat)91.2555, 27.1876

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": [
    91.2555,
    27.1876,
    10
  ]
}

Revision observations

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

Collected2026-10-21T01:50:29.718Z· Provider update2026-10-15T19:36:53.040Z · Magnitude 4.5

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