QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0003tqy
USGS usp0003tqy

8 Apr 1989, 04:06

88 km ENE of Hihifo, Tonga

A magnitude 6 mw earthquake at 32.7 km depth.

Depth32.7 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated28 April 2022Latest timestamp stored in this record

Published location

Where is 88 km ENE 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.

-15.737000, -173.001000

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Map data © OpenStreetMap contributors

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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Nearby events with a similar magnitude

M 6

220 km S of Mata-Utu, Wallis and Futuna

M 6

136 km SSW of Gataivai, Samoa

M 6

276 km SSE of Alo, Wallis and Futuna

M 6

140 km W of Hihifo, Tonga

M 6

172 km WNW of Hihifo, Tonga

M 6

77 km NE of Hihifo, Tonga

Catalog fields and provenance
Event ID
usp0003tqy
Coordinates
-15.737, -173.001
Network
us
Significance
554