QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/ushis1341
USGS ushis1341
17 Nov 1940, 04:56
off the coast of Oregon
A magnitude 6 mb earthquake at 0 km depth.
Published location
Where is off the coast of Oregon?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
44.800000, -130.000000
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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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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
ushis1341
Coordinates
44.8, -130
Network
ushis
Significance
554