QQuakeFacts
USGS us6000e30x

20 Apr 2021, 00:58

254 km S of Sinabang, Indonesia

A magnitude 6.1 mww earthquake at 9 km depth.

Depth9 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 254 km S of Sinabang, 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.

0.183100, 96.560100

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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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Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.

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Catalog fields and provenance
Event ID
us6000e30x
Coordinates
0.1831, 96.5601
Network
us
Significance
575