QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem17291937
USGS iscgem17291937
31 May 1962, 07:28
Volcano Islands, Japan region
A magnitude 6.6 mw earthquake at 269.1 km depth.
Published location
Where is Volcano 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.
22.027000, 142.857000
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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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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
iscgem17291937
Coordinates
22.027, 142.857
Network
iscgem
Significance
664