QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem913359
USGS iscgem913359
2 Dec 1918, 09:47
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.
11.466000, -43.625000
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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
iscgem913359
Coordinates
11.466, -43.625
Network
iscgem
Significance
767