QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000cems
USGS usp000cems
6 Dec 2003, 03:33
105 km NNW of San Antonio, Puerto Rico
A magnitude 5.1 mb earthquake at 25 km depth.
Published location
Where is 105 km NNW of San Antonio, Puerto Rico?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
19.381000, -67.460000
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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
usp000cems
Coordinates
19.381, -67.46
Network
us
Significance
400