QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/ak018exsi6u4
USGS ak018exsi6u4
21 Nov 2018, 18:21
50 km ENE of Pedro Bay, Alaska
A magnitude 5.6 mw earthquake at 143.3 km depth.
Published location
Where is 50 km ENE of Pedro Bay, 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.
59.955000, -153.265800
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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
ak018exsi6u4
Coordinates
59.955, -153.2658
Network
ak
Significance
710