QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem897678
USGS iscgem897678
16 Dec 1948, 07:18
182 km W of Pangai, Tonga
A magnitude 6.3 mw earthquake at 15 km depth.
Published location
Where is 182 km W 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.
-19.684000, -176.093000
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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
iscgem897678
Coordinates
-19.684, -176.093
Network
iscgem
Significance
616