QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/official19001009122400000
USGS official19001009122400000
9 Oct 1900, 12:28
Kodiak Island region, Alaska
A magnitude 7.9 mw earthquake at 20 km depth.
Published location
Where is Kodiak Island region, 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.
57.400000, -151.000000
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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
official19001009122400000
Coordinates
57.4, -151
Network
official
Significance
950