QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us6000fq2d
USGS us6000fq2d
29 Sept 2021, 09:37
243 km NNW of Nanao, Japan
A magnitude 6.1 mww earthquake at 364 km depth.
Published location
Where is 243 km NNW of Nanao, Japan?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
38.889300, 135.452700
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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
us6000fq2d
Coordinates
38.8893, 135.4527
Network
us
Significance
603