QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem896466
USGS iscgem896466
13 Apr 1949, 20:55
4 km WNW of Roy, Washington
A magnitude 6.7 mw earthquake at 50 km depth.
Published location
Where is 4 km WNW of Roy, Washington?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
47.014000, -122.597000
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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
iscgem896466
Coordinates
47.014, -122.597
Network
iscgem
Significance
755