USGS · EARTHQUAKE

M 4.3 · 31 km ESE of Puente Alto, Chile

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

Source agencyUSGS

Provider event IDus6000u1r8

Magnitude4.3 mb

Depth107.2 km

Occurred / latest reportedOct 12, 2026, 10:29 AM UTC

Provider last updatedOct 13, 2026, 12:18 PM UTC

TerraPulse collectedOct 21, 2026, 1:50 AM UTC

Catalog statusreviewed

Reported geometryPoint

Location qualityValidated coordinate format (not accuracy assurance)

Country assignmentChile

Coordinates (lon, lat)-70.2587, -33.7025

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": [
    -70.2587,
    -33.7025,
    107.176
  ]
}

Revision observations

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

Collected2026-10-21T01:50:19.259Z· Provider update2026-10-13T12:18:46.040Z · Magnitude 4.3

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