QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000514s
USGS usp000514s
29 Dec 1991, 18:39
133 km N of Tual, Indonesia
A magnitude 6.4 mw earthquake at 36.7 km depth.
Published location
Where is 133 km N 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.
-4.421000, 132.727000
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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
usp000514s
Coordinates
-4.421, 132.727
Network
us
Significance
630