Skip to content

USGS iscgem900224

8 Mar 1942, 05:46

central Mid-Atlantic Ridge

A magnitude 6.3 mw earthquake at 15 km depth.

Depth15 kmPublished hypocentral depth

Tsunami flagNot flaggedUSGS catalog flag, not a current warning

Updated26 April 2022Latest timestamp stored in this record

Published location

Where is central 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.

-0.953000, -28.952000

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.

Open the USGS event →

Continue exploring

Nearby events with a similar magnitude

central Mid-Atlantic Ridge

central Mid-Atlantic Ridge

central Mid-Atlantic Ridge

central Mid-Atlantic Ridge

South Atlantic Ocean

central Mid-Atlantic Ridge

Catalog fields and provenance

Event ID

iscgem900224

Coordinates

-0.953, -28.952

Network

iscgem

Significance

605