QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem894629
USGS iscgem894629
18 Aug 1951, 04:38
138 km SE of Tondano, Indonesia
A magnitude 6.1 mw earthquake at 30 km depth.
Published location
Where is 138 km SE of Tondano, 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.
0.406000, 125.783000
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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
iscgem894629
Coordinates
0.406, 125.783
Network
iscgem
Significance
578