QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/ak0232e34rrl
USGS ak0232e34rrl
21 Feb 2023, 05:35
43 km SSE of Old Harbor, Alaska
A magnitude 5.4 mww earthquake at 11.7 km depth.
Published location
Where is 43 km SSE of Old Harbor, 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.
56.837800, -153.048000
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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
ak0232e34rrl
Coordinates
56.8378, -153.048
Network
ak
Significance
496