QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us7000635e
USGS us7000635e
4 Nov 2019, 22:43
136 km W of Neiafu, Tonga
A magnitude 6.6 mww earthquake at 10 km depth.
Published location
Where is 136 km W 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.
-18.574700, -175.272000
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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
us7000635e
Coordinates
-18.5747, -175.272
Network
us
Significance
673