QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem914077
USGS iscgem914077
22 Jun 1913, 13:50
Andreanof Islands, Aleutian Islands, Alaska
A magnitude 6.9 mw earthquake at 15 km depth.
Published location
Where is Andreanof Islands, Aleutian Islands, 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.
50.076000, -178.773000
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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
iscgem914077
Coordinates
50.076, -178.773
Network
iscgem
Significance
722