QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000d168
USGS usp000d168
31 Jul 2004, 07:32
146 km NE of Calama, Chile
A magnitude 5.1 mwc earthquake at 93.6 km depth.
Published location
Where is 146 km NE of Calama, Chile?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-21.374000, -68.105000
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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
usp000d168
Coordinates
-21.374, -68.105
Network
us
Significance
400