QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgemsup843229
USGS iscgemsup843229
8 Sept 1966, 22:15
90 km NE of Tobelo, Indonesia
A magnitude 7.7 mw earthquake at 115 km depth.
Published location
Where is 90 km NE of Tobelo, Indonesia?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
2.388000, 128.490000
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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
iscgemsup843229
Coordinates
2.388, 128.49
Network
iscgemsup
Significance
915