USGS · EARTHQUAKE

M 4.4 · 38 km NE of Chilecito, Argentina

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

Source agencyUSGS

Provider event IDus6000u1y6

Magnitude4.4 mb

Depth128.3 km

Occurred / latest reportedOct 13, 2026, 3:04 AM UTC

Provider last updatedOct 13, 2026, 4:03 AM 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)-67.2536, -28.8882

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": [
    -67.2536,
    -28.8882,
    128.266
  ]
}

Revision observations

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

Collected2026-10-21T01:50:18.952Z· Provider update2026-10-13T04:03:31.040Z · Magnitude 4.4

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