QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us200028ka
USGS us200028ka
23 Apr 2015, 15:57
247 km ESE of Attu Station, Alaska
A magnitude 5 mwb earthquake at 31 km depth.
Published location
Where is 247 km ESE of Attu Station, 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.
51.750100, 176.335300
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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
us200028ka
Coordinates
51.7501, 176.3353
Network
us
Significance
385