QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0001wrg
USGS usp0001wrg
12 Jul 1983, 16:10
37 km WNW of Tatitlek, Alaska
A magnitude 6.6 mw earthquake at 37 km depth.
Published location
Where is 37 km WNW of Tatitlek, 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.
61.031000, -147.286000
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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
usp0001wrg
Coordinates
61.031, -147.286
Network
us
Significance
670