QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem897413
USGS iscgem897413
28 Jun 1948, 08:13
3 km W of Maruoka, Japan
A magnitude 6.8 mw earthquake at 10 km depth.
Published location
Where is 3 km W of Maruoka, 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.
36.157000, 136.229000
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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
iscgem897413
Coordinates
36.157, 136.229
Network
iscgem
Significance
711