QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem827844
USGS iscgem827844
30 Jan 1968, 03:44
117 km NNW of Sumenep, Indonesia
A magnitude 6.3 mw earthquake at 596 km depth.
Published location
Where is 117 km NNW of Sumenep, 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.
-6.066000, 113.373000
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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
iscgem827844
Coordinates
-6.066, 113.373
Network
iscgem
Significance
603