QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem892894
USGS iscgem892894
13 May 1952, 20:31
6 km NNW of Nandayure, Costa Rica
A magnitude 6.4 mw earthquake at 35 km depth.
Published location
Where is 6 km NNW of Nandayure, Costa Rica?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
10.088000, -85.211000
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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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Catalog fields and provenance
Event ID
iscgem892894
Coordinates
10.088, -85.211
Network
iscgem
Significance
634