QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem871406
USGS iscgem871406
20 Jan 1964, 17:08
150 km SSE of Isangel, Vanuatu
A magnitude 6.9 mw earthquake at 137.5 km depth.
Published location
Where is 150 km SSE 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.
-20.744000, 169.957000
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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
iscgem871406
Coordinates
-20.744, 169.957
Network
iscgem
Significance
732