QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgemsup780358
USGS iscgemsup780358
16 Sept 1971, 07:22
236 km W of Tual, Indonesia
A magnitude 6.9 mw earthquake at 129 km depth.
Published location
Where is 236 km W of Tual, 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.
-5.934000, 130.635000
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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
iscgemsup780358
Coordinates
-5.934, 130.635
Network
iscgemsup
Significance
730