QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem877779
USGS iscgem877779
5 Dec 1961, 13:01
western Indian-Antarctic Ridge
A magnitude 6.3 mw earthquake at 15 km depth.
Published location
Where is western Indian-Antarctic Ridge?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-50.864000, 139.395000
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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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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
iscgem877779
Coordinates
-50.864, 139.395
Network
iscgem
Significance
603