QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem777492
USGS iscgem777492
5 Dec 1971, 05:50
230 km SW of Port McNeill, Canada
A magnitude 6 mw earthquake at 17.1 km depth.
Published location
Where is 230 km SW of Port McNeill, Canada?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
49.429000, -129.757000
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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
iscgem777492
Coordinates
49.429, -129.757
Network
iscgem
Significance
559