QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/ak0219nmy1jo
USGS ak0219nmy1jo
29 Jul 2021, 21:30
142 km SE of Chignik, Alaska
A magnitude 5 mb earthquake at 28.9 km depth.
Published location
Where is 142 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.
55.362200, -156.854500
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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
ak0219nmy1jo
Coordinates
55.3622, -156.8545
Network
ak
Significance
385