USGS · EARTHQUAKE

M 2.3 · 24 km E of Honaunau-Napoopoo, Hawaii

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

Source agencyUSGS

Provider event IDhv75061531

Magnitude2.3 ml

Depth45.0 km

Occurred / latest reportedOct 21, 2026, 12:46 AM UTC

Provider last updatedOct 21, 2026, 2:54 AM UTC

TerraPulse collectedOct 21, 2026, 2:55 AM UTC

Catalog statusreviewed

Reported geometryPoint

Location qualityValidated coordinate format (not accuracy assurance)

Country assignmentUnited States

Coordinates (lon, lat)-155.6368, 19.4282

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": [
    -155.636833333333,
    19.4281666666667,
    44.98
  ]
}

Revision observations

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

Collected2026-10-21T02:55:08.783Z· Provider update2026-10-21T02:54:13.040Z · Magnitude 2.32

Collected2026-10-21T01:50:15.154Z· Provider update2026-10-21T01:12:09.040Z · Magnitude 2.32

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