QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem842266
USGS iscgem842266
7 Oct 1966, 16:55
261 km SSE of Isangel, Vanuatu
A magnitude 6.9 mw earthquake at 150 km depth.
Published location
Where is 261 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.
-21.558000, 170.596000
Open the interactive map ↗Map data © OpenStreetMap contributors
What the numbers mean
Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.
Need a current safety answer?
Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
Continue exploring
Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
iscgem842266
Coordinates
-21.558, 170.596
Network
iscgem
Significance
732