QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0000e4x
USGS usp0000e4x
29 Dec 1975, 03:39
218 km S of Ushuaia, Argentina
A magnitude 6.5 ms earthquake at 14 km depth.
Published location
Where is 218 km S of Ushuaia, Argentina?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-56.772000, -68.478000
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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
usp0000e4x
Coordinates
-56.772, -68.478
Network
us
Significance
650