QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0001mu1
USGS usp0001mu1
11 Jun 1982, 01:38
123 km NNW of Neiafu, Tonga
A magnitude 6.3 mb earthquake at 123 km depth.
Published location
Where is 123 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.
-17.616000, -174.414000
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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
usp0001mu1
Coordinates
-17.616, -174.414
Network
us
Significance
611