QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem912660
USGS iscgem912660
12 Nov 1920, 05:42
central Mid-Atlantic Ridge
A magnitude 6.4 mw earthquake at 10 km depth.
Published location
Where is central 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.
0.701000, -28.113000
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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
iscgem912660
Coordinates
0.701, -28.113
Network
iscgem
Significance
638