QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us20004hm8
USGS us20004hm8

16 Dec 2015, 20:38

63 km WNW of Pangai, Tonga

A magnitude 5.3 mb earthquake at 37.3 km depth.

Depth37.3 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 63 km WNW of Pangai, 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.

-19.582700, -174.911000

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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

78 km SSE of ‘Ohonua, Tonga

M 5.3

54 km ESE of Pangai, Tonga

M 5.3

86 km ESE of Neiafu, Tonga

M 5.3

57 km SE of ‘Ohonua, Tonga

M 5.3

148 km WNW of Pangai, Tonga

M 5.3

77 km SE of Pangai, Tonga

Catalog fields and provenance
Event ID
us20004hm8
Coordinates
-19.5827, -174.911
Network
us
Significance
432