QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem913373
USGS iscgem913373
9 Dec 1918, 18:52
204 km S of Adak, Alaska
A magnitude 6.2 mw earthquake at 15 km depth.
Published location
Where is 204 km S of Adak, 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.
50.040000, -176.776000
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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
iscgem913373
Coordinates
50.04, -176.776
Network
iscgem
Significance
588