QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem804189
USGS iscgem804189
6 Sept 1969, 15:30
272 km W of Sagres, Portugal
A magnitude 6 mw earthquake at 45 km depth.
Published location
Where is 272 km W of Sagres, Portugal?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
36.881000, -11.997000
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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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Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
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Catalog fields and provenance
Event ID
iscgem804189
Coordinates
36.881, -11.997
Network
iscgem
Significance
554