QQuakeFacts
USGS us7000dl4i

20 Mar 2021, 01:49

northern Mid-Atlantic Ridge

A magnitude 5.7 mww earthquake at 8 km depth.

Depth8 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is northern 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.

47.296400, -27.279400

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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
us7000dl4i
Coordinates
47.2964, -27.2794
Network
us
Significance
500