QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0002z0r
USGS usp0002z0r
17 Oct 1986, 08:32
151 km WNW of Tual, Indonesia
A magnitude 6.4 mw earthquake at 67 km depth.
Published location
Where is 151 km WNW 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.
-5.272000, 131.432000
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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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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
usp0002z0r
Coordinates
-5.272, 131.432
Network
us
Significance
630