QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem906625
USGS iscgem906625
12 Feb 1931, 05:44
145 km S of Pagar Alam, Indonesia
A magnitude 6.4 mw earthquake at 35 km depth.
Published location
Where is 145 km S of Pagar Alam, 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.
-5.318000, 103.021000
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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
iscgem906625
Coordinates
-5.318, 103.021
Network
iscgem
Significance
624