QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us2000apxn
USGS us2000apxn
18 Sept 2017, 15:31
141 km N of Neiafu, Tonga
A magnitude 5 mb earthquake at 28.3 km depth.
Published location
Where is 141 km N 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.
-17.368900, -173.957100
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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
us2000apxn
Coordinates
-17.3689, -173.9571
Network
us
Significance
385