QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us10001ryq
USGS us10001ryq
30 Mar 2015, 09:18
110 km NE of Hihifo, Tonga
A magnitude 6.4 mww earthquake at 14.5 km depth.
Published location
Where is 110 km NE 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.
-15.392000, -172.940900
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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
us10001ryq
Coordinates
-15.392, -172.9409
Network
us
Significance
631