USGS · EARTHQUAKE

M 1.9 · 19 km ESE of Naalehu, Hawaii

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

Source agencyUSGS

Provider event IDhv75061336

Magnitude1.9 ml

Depth30.7 km

Occurred / latest reportedOct 20, 2026, 1:43 PM UTC

Provider last updatedOct 21, 2026, 1:09 AM UTC

TerraPulse collectedOct 21, 2026, 1:50 AM UTC

Catalog statusreviewed

Reported geometryPoint

Location qualityValidated coordinate format (not accuracy assurance)

Country assignmentOffshore, non-point or unassigned

Coordinates (lon, lat)-155.3963, 19.0230

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": [
    -155.396333333333,
    19.023,
    30.69
  ]
}

Revision observations

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

Collected2026-10-21T01:50:15.154Z· Provider update2026-10-21T01:09:56.450Z · 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.