QQuakeFacts
USGS usp000d4sn

21 Sept 2004, 12:06

southeast of Easter Island

A magnitude 5.4 mwc earthquake at 10 km depth.

Depth10 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is southeast of Easter Island?

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

-37.183000, -95.167000

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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
usp000d4sn
Coordinates
-37.183, -95.167
Network
us
Significance
449