QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000et8e
USGS usp000et8e

17 Sept 2006, 08:30

236 km W of Maintirano, Madagascar

A magnitude 5.1 mwc earthquake at 10 km depth.

Depth10 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 236 km W of Maintirano, Madagascar?

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

-17.694000, 41.827000

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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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Nearby events with a similar magnitude

M 5.1

238 km W of Maintirano, Madagascar

M 5.7

237 km W of Maintirano, Madagascar

Catalog fields and provenance
Event ID
usp000et8e
Coordinates
-17.694, 41.827
Network
us
Significance
400