QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem891091
USGS iscgem891091
20 Sept 1954, 01:39
71 km SSW of Poso, Indonesia
A magnitude 6 mw earthquake at 50 km depth.
Published location
Where is 71 km SSW of Poso, 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.
-1.937000, 120.402000
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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
iscgem891091
Coordinates
-1.937, 120.402
Network
iscgem
Significance
554