USGS · EARTHQUAKE

M 2.7 · 5 km SSW of Volcano, Hawaii

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

Source agencyUSGS

Provider event IDhv75061271

Magnitude2.7 md

Depth39.5 km

Occurred / latest reportedOct 20, 2026, 8:40 AM UTC

Provider last updatedOct 20, 2026, 8:44 AM UTC

TerraPulse collectedOct 21, 2026, 1:50 AM UTC

Catalog statusautomatic

Reported geometryPoint

Location qualityValidated coordinate format (not accuracy assurance)

Country assignmentUnited States

Coordinates (lon, lat)-155.2465, 19.3933

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": [
    -155.246505737305,
    19.3933334350586,
    39.4700012207031
  ]
}

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 update2026-10-20T08:44:01.540Z · Magnitude 2.67

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