western Indian-Antarctic Ridge

A magnitude 5.4 mwc earthquake at 10 km depth.

Depth10 kmPublished hypocentral depth

Tsunami flagNot flaggedUSGS catalog flag, not a current warning

Updated22 December 2025Latest timestamp stored in this record

Published location

Where is western Indian-Antarctic 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.

-50.195000, 135.380000

Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.

Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.

Catalog fields and provenance

Event ID

usp000ed6z

Coordinates

-50.195, 135.38

Network

Significance

449