QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem897799
USGS iscgem897799
2 Apr 1947, 06:39
195 km E of Biak, Indonesia
A magnitude 7.3 mw earthquake at 15 km depth.
Published location
Where is 195 km E 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.
-1.102000, 137.839000
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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
iscgem897799
Coordinates
-1.102, 137.839
Network
iscgem
Significance
820