QQuakeFacts
USGS iscgem619932856

28 Feb 2021, 03:31

239 km W of Hihifo, Tonga

A magnitude 5.2 mw earthquake at 26 km depth.

Depth26 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 239 km W 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.

-15.685000, -176.014000

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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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Catalog fields and provenance
Event ID
iscgem619932856
Coordinates
-15.685, -176.014
Network
iscgem
Significance
410