QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us100078ll
USGS us100078ll
16 Nov 2016, 00:30
Tonga
A magnitude 5.8 mww earthquake at 20 km depth.
Published location
Where is 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.
-20.239100, -173.016100
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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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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
us100078ll
Coordinates
-20.2391, -173.0161
Network
us
Significance
518