QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem901425
USGS iscgem901425
12 Jun 1940, 14:59
near the east coast of Honshu, Japan
A magnitude 6.2 mw earthquake at 15 km depth.
Published location
Where is near the east coast of Honshu, 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.
35.175000, 141.238000
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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
iscgem901425
Coordinates
35.175, 141.238
Network
iscgem
Significance
586