QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0003hc7
USGS usp0003hc7
27 Jun 1988, 07:07
77 km S of Isangel, Vanuatu
A magnitude 6 mw earthquake at 65.7 km depth.
Published location
Where is 77 km S of Isangel, Vanuatu?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-20.237000, 169.373000
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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
usp0003hc7
Coordinates
-20.237, 169.373
Network
us
Significance
554