QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000htzs
USGS usp000htzs
2 Feb 2011, 13:47
southern Mid-Atlantic Ridge
A magnitude 5.1 mb earthquake at 10 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.
-42.658000, -16.175000
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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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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
usp000htzs
Coordinates
-42.658, -16.175
Network
us
Significance
400