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QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us10003rg1
USGS us10003rg1

26 Oct 2015, 10:09

southwest of Sumatra, Indonesia

A magnitude 5.1 mb earthquake at 21 km depth.

Depth21 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 January 2016Latest timestamp stored in this record

Published location

Where is southwest of Sumatra, 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.

-1.454000, 97.056500

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

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Continue exploring

Nearby events with a similar magnitude

M 5.1

29 km SSE of Sinabang, Indonesia

M 5.1

119 km SSW of Singkil, Indonesia

M 5.1

147 km W of Sinabang, Indonesia

M 5.1

31 km SW of Sinabang, Indonesia

M 5.1

42 km E of Sinabang, Indonesia

M 5.1

142 km SSW of Singkil, Indonesia

Catalog fields and provenance
Event ID
us10003rg1
Coordinates
-1.454, 97.0565
Network
us
Significance
400