QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us1000d1wy
USGS us1000d1wy
9 Mar 2018, 00:37
289 km SE of Chiniak, Alaska
A magnitude 5 mww earthquake at 17 km depth.
Published location
Where is 289 km SE 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.
55.631100, -149.221300
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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
us1000d1wy
Coordinates
55.6311, -149.2213
Network
us
Significance
385