QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem883708
USGS iscgem883708
18 Jan 1958, 15:14
southern Mid-Atlantic Ridge
A magnitude 6.1 mw earthquake at 15 km depth.
Published location
Where is southern 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.
-29.058000, -13.215000
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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
iscgem883708
Coordinates
-29.058, -13.215
Network
iscgem
Significance
580