QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us10004ant
USGS us10004ant
1 Jan 2016, 02:00
western Indian-Antarctic Ridge
A magnitude 6.3 mww 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.
-50.557500, 139.448900
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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
us10004ant
Coordinates
-50.5575, 139.4489
Network
us
Significance
611