QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem903801
USGS iscgem903801
24 Aug 1936, 23:22
western Indian-Antarctic Ridge
A magnitude 6.4 mw earthquake at 10 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.
-51.652000, 139.589000
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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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Catalog fields and provenance
Event ID
iscgem903801
Coordinates
-51.652, 139.589
Network
iscgem
Significance
630