QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usc000jslv
USGS usc000jslv
12 Sept 2013, 16:25
209 km SW of Nikolski, Alaska
A magnitude 5.1 mb earthquake at 40.5 km depth.
Published location
Where is 209 km SW of Nikolski, 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.
51.705900, -171.189900
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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
usc000jslv
Coordinates
51.7059, -171.1899
Network
us
Significance
400