USGS · EARTHQUAKE

M 0.8 · 0 km ESE of Snoqualmie, Washington

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

Source agencyUSGS

Provider event IDuw714121852

Magnitude0.8 ml

Depth2.4 km

Occurred / latest reportedOct 19, 2026, 6:18 AM UTC

Provider last updatedOct 19, 2026, 8:10 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)-121.8180, 47.5270

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": [
    -121.818,
    47.527,
    2.41
  ]
}

Revision observations

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

Collected2026-10-21T01:50:16.071Z· Provider update2026-10-19T20:10:06.710Z · Magnitude 0.85

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