QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us1000d9wb
USGS us1000d9wb
27 Mar 2018, 23:41
252 km ESE of Chiniak, Alaska
A magnitude 5.4 mww earthquake at 6.4 km depth.
Published location
Where is 252 km ESE of Chiniak, 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.
56.515300, -148.643400
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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
us1000d9wb
Coordinates
56.5153, -148.6434
Network
us
Significance
449