QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us20009wsf
USGS us20009wsf
16 Jul 2017, 18:06
112 km ESE of Pangai, Tonga
A magnitude 5.6 mww earthquake at 15.5 km depth.
Published location
Where is 112 km ESE 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.
-20.379700, -173.461000
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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
us20009wsf
Coordinates
-20.3797, -173.461
Network
us
Significance
482