USGS · EARTHQUAKE

M 4.6 · 64 km WNW of San Antonio de los Cobres, Argentina

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

Source agencyUSGS

Provider event IDus6000tx4w

Magnitude4.6 mb

Depth188.8 km

Occurred / latest reportedSep 23, 2026, 4:48 PM UTC

Provider last updatedOct 5, 2026, 9:04 PM UTC

TerraPulse collectedOct 21, 2026, 1:50 AM UTC

Catalog statusreviewed

Reported geometryPoint

Location qualityValidated coordinate format (not accuracy assurance)

Country assignmentArgentina

Coordinates (lon, lat)-66.9376, -24.0947

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": [
    -66.9376,
    -24.0947,
    188.827
  ]
}

Revision observations

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

Collected2026-10-21T01:50:28.321Z· Provider update2026-10-05T21:04:29.040Z · Magnitude 4.6

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