USGS · EARTHQUAKE

M 5.4 · 207 km WSW of Port McNeill, Canada

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

Source agencyUSGS

Provider event IDus6000ty2u

Magnitude5.4 mww

Depth10.0 km

Occurred / latest reportedSep 28, 2026, 4:41 AM UTC

Provider last updatedOct 19, 2026, 11:42 PM 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)-129.9444, 50.2084

GDACS alertNot applicable

Magnitude measures earthquake size; intensity describes shaking at a location. Magnitude alone does not establish casualties or damage.

USGS tsunami flag:1 (set). This flag does not confirm a tsunami or an official tsunami warning. Consult official warning centers.

Original reported GeoJSON geometry

{
  "type": "Point",
  "coordinates": [
    -129.9444,
    50.2084,
    10
  ]
}

Revision observations

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

Collected2026-10-21T01:50:25.823Z· Provider update2026-10-19T23:42:06.931Z · Magnitude 5.4

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