QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us200025vw
USGS us200025vw
12 Apr 2015, 01:45
33 km WNW of Neiafu, Tonga
A magnitude 5.1 mb earthquake at 34.7 km depth.
Published location
Where is 33 km WNW 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.
-18.578100, -174.291400
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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
us200025vw
Coordinates
-18.5781, -174.2914
Network
us
Significance
400