QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem913853
USGS iscgem913853
11 Oct 1916, 18:05
166 km WNW of Hihifo, Tonga
A magnitude 6.5 mw earthquake at 15 km depth.
Published location
Where is 166 km WNW of Hihifo, 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.
-15.587000, -175.300000
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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
iscgem913853
Coordinates
-15.587, -175.3
Network
iscgem
Significance
658