QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us10003r43
USGS us10003r43
23 Oct 2015, 23:03
266 km ESE of Biak, Indonesia
A magnitude 5.8 mww earthquake at 8 km depth.
Published location
Where is 266 km ESE of Biak, 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.
-2.166100, 138.266600
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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
us10003r43
Coordinates
-2.1661, 138.2666
Network
us
Significance
518