QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem820262
USGS iscgem820262
12 Jun 1968, 22:57
88 km E of Yamada, Japan
A magnitude 6.2 mw earthquake at 30.8 km depth.
Published location
Where is 88 km E of Yamada, 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.
39.356000, 142.967000
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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
iscgem820262
Coordinates
39.356, 142.967
Network
iscgem
Significance
597