QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem784056
USGS iscgem784056

4 May 1971, 03:04

57 km WSW of Labuan, Indonesia

A magnitude 6.3 mw earthquake at 51.4 km depth.

Depth51.4 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 57 km WSW of Labuan, Indonesia?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

-6.595000, 105.359000

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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 6.28

43 km W of Labuan, Indonesia

M 6.3

148 km S of Pagar Alam, Indonesia

M 6.3

99 km S of Pagar Alam, Indonesia

M 6.3

southwest of Sumatra, Indonesia

M 6.23

106 km WSW of Bandar Lampung, Indonesia

M 6.23

167 km SSW of Pagar Alam, Indonesia

Catalog fields and provenance
Event ID
iscgem784056
Coordinates
-6.595, 105.359
Network
iscgem
Significance
605