QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/ak020a5p89cv
USGS ak020a5p89cv
8 Aug 2020, 13:52
140 km SSE of Perryville, Alaska
A magnitude 5.4 mww earthquake at 27.5 km depth.
Published location
Where is 140 km SSE of Perryville, 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.
54.771300, -158.188400
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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
ak020a5p89cv
Coordinates
54.7713, -158.1884
Network
ak
Significance
449