QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us10004e6a
USGS us10004e6a
13 Jan 2016, 18:29
97 km E of ‘Ohonua, Tonga
A magnitude 5.1 mb earthquake at 10 km depth.
Published location
Where is 97 km E of ‘Ohonua, 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.
-21.497900, -174.028600
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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
us10004e6a
Coordinates
-21.4979, -174.0286
Network
us
Significance
400