QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000etrn
USGS usp000etrn
24 Sept 2006, 23:56
237 km W of Maintirano, Madagascar
A magnitude 5.7 mwb earthquake at 6 km depth.
Published location
Where is 237 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.
-17.741000, 41.811000
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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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Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
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Catalog fields and provenance
Event ID
usp000etrn
Coordinates
-17.741, 41.811
Network
us
Significance
500