QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us2000iwvb
USGS us2000iwvb
23 Dec 2018, 23:08
91 km SW of Pangai, Tonga
A magnitude 6.4 mww earthquake at 113 km depth.
Published location
Where is 91 km SW of Pangai, 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.
-20.285500, -175.071000
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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
us2000iwvb
Coordinates
-20.2855, -175.071
Network
us
Significance
631