QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000jbmg
USGS usp000jbmg
29 Nov 2011, 23:44
156 km NW of Nuku‘alofa, Tonga
A magnitude 5.1 mwc earthquake at 231.9 km depth.
Published location
Where is 156 km NW of Nuku‘alofa, Tonga?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-19.999000, -176.090000
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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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Catalog fields and provenance
Event ID
usp000jbmg
Coordinates
-19.999, -176.09
Network
us
Significance
400