QQuakeFacts
USGS usp000bt4h

20 Mar 2003, 22:15

170 km S of Tondano, Indonesia

A magnitude 5.5 mwc earthquake at 33 km depth.

Depth33 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 170 km S of Tondano, 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.

-0.212000, 125.166000

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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
usp000bt4h
Coordinates
-0.212, 125.166
Network
us
Significance
465