QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us600063e4
USGS us600063e4

26 Oct 2019, 21:28

25 km NNE of Attu Station, Alaska

A magnitude 5.1 mww earthquake at 15.4 km depth.

Depth15.4 kmPublished hypocentral depth
Tsunami flagFlaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 25 km NNE of Attu Station, Alaska?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

53.051300, 173.369400

Open the interactive map ↗

Map data © OpenStreetMap contributors

What the numbers mean

Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.

Need a current safety answer?

Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.

Open the USGS event →

Continue exploring

Nearby events with a similar magnitude

M 5.1

15 km NNE of Attu Station, Alaska

M 5.1

47 km WSW of Attu Station, Alaska

M 5

19 km NNE of Attu Station, Alaska

M 5

93 km ESE of Attu Station, Alaska

M 5

51 km WSW of Attu Station, Alaska

M 5.3

35 km SW of Attu Station, Alaska

Catalog fields and provenance
Event ID
us600063e4
Coordinates
53.0513, 173.3694
Network
us
Significance
400