QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000crb6
USGS usp000crb6
31 Mar 2004, 04:23
97 km N of Antofagasta de la Sierra, Argentina
A magnitude 5.5 mwc earthquake at 129.5 km depth.
Published location
Where is 97 km N of Antofagasta de la Sierra, 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.
-25.184000, -67.545000
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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
usp000crb6
Coordinates
-25.184, -67.545
Network
us
Significance
465