QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000csd8
USGS usp000csd8

13 Apr 2004, 12:24

35 km NW of Hihifo, Tonga

A magnitude 5.3 mwc earthquake at 98.9 km depth.

Depth98.9 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 35 km NW 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.

-15.716000, -174.013000

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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 5.3

103 km NNW of Hihifo, Tonga

M 5.3

151 km N of Neiafu, Tonga

M 5.3

92 km NNE of Hihifo, Tonga

M 5.3

103 km ESE of Hihifo, Tonga

M 5.3

87 km NNE of Hihifo, Tonga

M 5.3

164 km ESE of Alo, Wallis and Futuna

Catalog fields and provenance
Event ID
usp000csd8
Coordinates
-15.716, -174.013
Network
us
Significance
432