QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0001u4p
USGS usp0001u4p
3 Apr 1983, 03:50
12 km N of Golfito, Costa Rica
A magnitude 7.1 mw earthquake at 37 km depth.
Published location
Where is 12 km N of Golfito, 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.
8.717000, -83.123000
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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
usp0001u4p
Coordinates
8.717, -83.123
Network
us
Significance
776