QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem889041
USGS iscgem889041
25 Dec 1956, 09:33
northern Mid-Atlantic Ridge
A magnitude 6.1 mw earthquake at 15 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.
48.752000, -28.061000
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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
iscgem889041
Coordinates
48.752, -28.061
Network
iscgem
Significance
580