QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem787884
USGS iscgem787884
3 Jan 1971, 18:35
southern Mid-Atlantic Ridge
A magnitude 6.7 mw earthquake at 29.4 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.
-55.852000, -2.583000
Open the interactive map ↗Map data © OpenStreetMap contributors
What the numbers mean
Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.
Need a current safety answer?
Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
Continue exploring
Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
iscgem787884
Coordinates
-55.852, -2.583
Network
iscgem
Significance
689