QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem782797
USGS iscgem782797
27 Jul 1971, 03:02
98 km ESE of Sucúa, Ecuador
A magnitude 7.4 mw earthquake at 113.3 km depth.
Published location
Where is 98 km ESE of Sucúa, Ecuador?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-2.848000, -77.379000
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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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Catalog fields and provenance
Event ID
iscgem782797
Coordinates
-2.848, -77.379
Network
iscgem
Significance
847