USGS · EARTHQUAKE

M -0.1 · 37 km NNE of Amboy, Washington

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

Source agencyUSGS

Provider event IDuw714122092

Magnitude-0.1 mh

Depth2.0 km

Occurred / latest reportedOct 19, 2026, 9:09 PM UTC

Provider last updatedOct 19, 2026, 10:53 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)-122.1975, 46.2010

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": [
    -122.1975,
    46.201,
    1.99
  ]
}

Revision observations

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

Collected2026-10-21T01:50:15.594Z· Provider update2026-10-19T22:53:47.320Z · Magnitude -0.1

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