QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem884653
USGS iscgem884653
30 Jun 1958, 19:26
Izu Islands, Japan region
A magnitude 6.2 mw earthquake at 25 km depth.
Published location
Where is Izu Islands, Japan region?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
31.071000, 141.733000
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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
iscgem884653
Coordinates
31.071, 141.733
Network
iscgem
Significance
593