QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000aegh
USGS usp000aegh
6 May 2001, 06:19
129 km WNW of Neiafu, Tonga
A magnitude 5.4 mwc earthquake at 211.6 km depth.
Published location
Where is 129 km WNW 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.
-18.369000, -175.172000
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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
usp000aegh
Coordinates
-18.369, -175.172
Network
us
Significance
449