QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000j191
USGS usp000j191
9 May 2011, 20:04
57 km SSE of Sand Point, Alaska
A magnitude 5.1 mwc earthquake at 21.1 km depth.
Published location
Where is 57 km SSE of Sand Point, 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.
54.858000, -160.166000
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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
usp000j191
Coordinates
54.858, -160.166
Network
us
Significance
402