QQuakeFacts
USGS usp000gt9w

31 Jan 2009, 04:27

241 km E of Port Blair, India

A magnitude 5.1 mwc earthquake at 26.4 km depth.

Depth26.4 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 241 km E of Port Blair, India?

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

11.803000, 94.962000

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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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Catalog fields and provenance
Event ID
usp000gt9w
Coordinates
11.803, 94.962
Network
us
Significance
400