QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem904481
USGS iscgem904481
25 Aug 1935, 06:07
233 km W of Longyearbyen, Svalbard and Jan Mayen
A magnitude 6 mw earthquake at 15 km depth.
Published location
Where is 233 km W of Longyearbyen, Svalbard and Jan Mayen?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
78.542000, 5.358000
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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
iscgem904481
Coordinates
78.542, 5.358
Network
iscgem
Significance
556