QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/ak021d1u1nos
USGS ak021d1u1nos
11 Oct 2021, 10:10
112 km E of Chignik, Alaska
A magnitude 6.9 mww earthquake at 51.6 km depth.
Published location
Where is 112 km E of Chignik, 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.
56.295400, -156.581000
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.
Continue exploring
Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
ak021d1u1nos
Coordinates
56.2954, -156.581
Network
ak
Significance
995