QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem863441
USGS iscgem863441
11 Oct 1964, 22:15
132 km WNW of Luwuk, Indonesia
A magnitude 6.3 mw earthquake at 25 km depth.
Published location
Where is 132 km WNW of Luwuk, 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.
-0.591000, 121.657000
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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
iscgem863441
Coordinates
-0.591, 121.657
Network
iscgem
Significance
605