QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem910710
USGS iscgem910710
13 Oct 1925, 17:40
northern Mid-Atlantic Ridge
A magnitude 7.1 mw earthquake at 10 km depth.
Published location
Where is northern Mid-Atlantic Ridge?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
10.702000, -42.279000
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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
iscgem910710
Coordinates
10.702, -42.279
Network
iscgem
Significance
778