QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0004j8r
USGS usp0004j8r
17 Dec 1990, 11:00
136 km SSW of Río Grande, Panama
A magnitude 6.3 mw earthquake at 19.3 km depth.
Published location
Where is 136 km SSW of Río Grande, Panama?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
6.638000, -81.926000
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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
usp0004j8r
Coordinates
6.638, -81.926
Network
us
Significance
611