QQuakeFacts
USGS usp0003sea

28 Feb 1989, 13:01

86 km E of General Enrique Mosconi, Argentina

A magnitude 6.5 mw earthquake at 569 km depth.

Depth569 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated28 April 2022Latest timestamp stored in this record

Published location

Where is 86 km E of General Enrique Mosconi, Argentina?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

-23.113000, -61.465000

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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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Catalog fields and provenance
Event ID
usp0003sea
Coordinates
-23.113, -61.465
Network
us
Significance
650