QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/ak021bwpwxny
USGS ak021bwpwxny
17 Sept 2021, 00:05
200 km SE of Chignik, Alaska
A magnitude 5.1 mww earthquake at 33 km depth.
Published location
Where is 200 km SE 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.
54.942000, -156.303700
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What the numbers mean
Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.
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Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
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Catalog fields and provenance
Event ID
ak021bwpwxny
Coordinates
54.942, -156.3037
Network
ak
Significance
400