QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0003a67
USGS usp0003a67
17 Nov 1987, 03:40
4 km S of Chichigalpa, Nicaragua
A magnitude 6.5 mw earthquake at 76.2 km depth.
Published location
Where is 4 km S of Chichigalpa, Nicaragua?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
12.534000, -87.030000
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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
usp0003a67
Coordinates
12.534, -87.03
Network
us
Significance
650