QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0003xwt
USGS usp0003xwt
1 Aug 1989, 01:18
277 km SW of Abepura, Indonesia
A magnitude 6.3 mw earthquake at 14.3 km depth.
Published location
Where is 277 km SW of Abepura, 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.
-4.511000, 139.022000
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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
usp0003xwt
Coordinates
-4.511, 139.022
Network
us
Significance
611