QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgemsup889401
USGS iscgemsup889401
6 Apr 1955, 12:50
Mauritius - Reunion region
A magnitude 6.1 mw earthquake at 15 km depth.
Published location
Where is Mauritius - Reunion region?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-17.304000, 66.405000
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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
iscgemsup889401
Coordinates
-17.304, 66.405
Network
iscgemsup
Significance
572