QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/ushis885
USGS ushis885
24 Dec 1931, 03:40
16 km WNW of Happy Valley, Alaska
A magnitude 6.3 ms earthquake at 100 km depth.
Published location
Where is 16 km WNW of Happy Valley, 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.
60.000000, -152.000000
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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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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
ushis885
Coordinates
60, -152
Network
ushis
Significance
601