QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0004njp
USGS usp0004njp
1 Mar 1991, 17:30
13 km SE of Los Chiles, Costa Rica
A magnitude 6.2 mw earthquake at 196.5 km depth.
Published location
Where is 13 km SE of Los Chiles, 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.
10.939000, -84.637000
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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
usp0004njp
Coordinates
10.939, -84.637
Network
us
Significance
591