QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp00082mx
USGS usp00082mx
21 May 1997, 15:10
99 km S of Isangel, Vanuatu
A magnitude 6.8 mwc earthquake at 57 km depth.
Published location
Where is 99 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.
-20.438000, 169.287000
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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
usp00082mx
Coordinates
-20.438, 169.287
Network
us
Significance
711