QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem779325
USGS iscgem779325
14 Oct 1971, 23:36
Bouvet Island region
A magnitude 6.6 mw earthquake at 10 km depth.
Published location
Where is Bouvet Island 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.
-54.362000, 2.237000
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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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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
iscgem779325
Coordinates
-54.362, 2.237
Network
iscgem
Significance
662