QQuakeFacts
USGS usp0001x38

25 Jul 1983, 00:38

49 km N of Komodo, Indonesia

A magnitude 6.4 mw earthquake at 48.1 km depth.

Depth48.1 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 49 km N of Komodo, 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.

-8.141000, 119.504000

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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
usp0001x38
Coordinates
-8.141, 119.504
Network
us
Significance
630