QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem909430
USGS iscgem909430
6 Aug 1927, 01:14
74 km SE of Perryville, Alaska
A magnitude 6.2 mw earthquake at 35 km depth.
Published location
Where is 74 km SE 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.
55.378000, -158.418000
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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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Catalog fields and provenance
Event ID
iscgem909430
Coordinates
55.378, -158.418
Network
iscgem
Significance
591