QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us7000fv2c
USGS us7000fv2c
18 Nov 2021, 09:50
128 km WSW of Adak, Alaska
A magnitude 5 mww earthquake at 47.7 km depth.
Published location
Where is 128 km WSW 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.
51.373100, -178.309100
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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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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
us7000fv2c
Coordinates
51.3731, -178.3091
Network
us
Significance
385