USGS · EARTHQUAKE

M 1.9 · 2 km NNW of Aibonito, Puerto Rico

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

Source agencyUSGS

Provider event IDpr71537178

Magnitude1.9 md

Depth14.1 km

Occurred / latest reportedOct 18, 2026, 9:06 PM UTC

Provider last updatedOct 18, 2026, 9:41 PM UTC

TerraPulse collectedOct 21, 2026, 1:50 AM UTC

Catalog statusreviewed

Reported geometryPoint

Location qualityValidated coordinate format (not accuracy assurance)

Country assignmentPuerto Rico

Coordinates (lon, lat)-66.2773, 18.1620

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": [
    -66.2773333333333,
    18.162,
    14.05
  ]
}

Revision observations

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

Collected2026-10-21T01:50:16.071Z· Provider update2026-10-18T21:41:16.700Z · Magnitude 1.89

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