USGS · EARTHQUAKE

M 4.0 · 144 km SSW of Zangguy, China

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

Source agencyUSGS

Provider event IDus6000tx17

Magnitude4.0 mb

Depth10.0 km

Occurred / latest reportedSep 23, 2026, 5:43 AM UTC

Provider last updatedOct 14, 2026, 8:58 AM UTC

TerraPulse collectedOct 21, 2026, 1:50 AM UTC

Catalog statusreviewed

Reported geometryPoint

Location qualityValidated coordinate format (not accuracy assurance)

Country assignmentChina

Coordinates (lon, lat)77.9945, 36.1426

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": [
    77.9945,
    36.1426,
    10
  ]
}

Revision observations

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

Collected2026-10-21T01:50:28.596Z· Provider update2026-10-14T08:58:36.040Z · Magnitude 4

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