QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem907835
USGS iscgem907835
25 Dec 1930, 13:07
Tristan da Cunha region
A magnitude 6.1 mw earthquake at 10 km depth.
Published location
Where is Tristan da Cunha region?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-34.066000, -12.055000
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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.
Need a current safety answer?
Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
Catalog fields and provenance
Event ID
iscgem907835
Coordinates
-34.066, -12.055
Network
iscgem
Significance
572