QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us20006fd0
USGS us20006fd0
17 Jul 2016, 14:08
110 km NNW of Neiafu, Tonga
A magnitude 5.4 mww earthquake at 120 km depth.
Published location
Where is 110 km NNW of Neiafu, 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.
-17.677200, -174.198800
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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
us20006fd0
Coordinates
-17.6772, -174.1988
Network
us
Significance
449