QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0002fqu
USGS usp0002fqu
10 Jun 1985, 16:37
30 km SSE of Londres, Argentina
A magnitude 6.4 mw earthquake at 151.4 km depth.
Published location
Where is 30 km SSE of Londres, 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.
-27.958000, -66.995000
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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
usp0002fqu
Coordinates
-27.958, -66.995
Network
us
Significance
630