QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us20003g79
USGS us20003g79
4 Sept 2015, 05:49
105 km S of Koshima, Japan
A magnitude 5.2 mww earthquake at 18 km depth.
Published location
Where is 105 km S of Koshima, 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.
29.281900, 130.596800
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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
us20003g79
Coordinates
29.2819, 130.5968
Network
us
Significance
416