QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000cf0m
USGS usp000cf0m
11 Dec 2003, 08:04
249 km SSE of Vaitogi, American Samoa
A magnitude 5.7 mwb earthquake at 10 km depth.
Published location
Where is 249 km SSE of Vaitogi, American Samoa?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-16.547000, -170.175000
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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
usp000cf0m
Coordinates
-16.547, -170.175
Network
us
Significance
500