QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem906785
USGS iscgem906785
20 May 1931, 03:22
Azores-Cape St. Vincent Ridge
A magnitude 7.2 mw earthquake at 10 km depth.
Published location
Where is Azores-Cape St. Vincent 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.
37.742000, -16.165000
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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
iscgem906785
Coordinates
37.742, -16.165
Network
iscgem
Significance
802