USGS · EARTHQUAKE

M 3.1 · 18 km ESE of Forks, Washington

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

Source agencyUSGS

Provider event IDuw714121212

Magnitude3.1 ml

Depth40.1 km

Occurred / latest reportedOct 17, 2026, 3:37 AM UTC

Provider last updatedOct 20, 2026, 7:19 PM UTC

TerraPulse collectedOct 21, 2026, 1:50 AM UTC

Catalog statusreviewed

Reported geometryPoint

Location qualityValidated coordinate format (not accuracy assurance)

Country assignmentUnited States

Coordinates (lon, lat)-124.1382, 47.9157

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": [
    -124.138166666667,
    47.9156666666667,
    40.07
  ]
}

Revision observations

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

Collected2026-10-21T01:50:17.466Z· Provider update2026-10-20T19:19:50.757Z · Magnitude 3.07

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