QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem878153
USGS iscgem878153
31 Jan 1960, 05:08
70 km ESE of Muroto-misakicho, Japan
A magnitude 6.3 mw earthquake at 20 km depth.
Published location
Where is 70 km ESE of Muroto-misakicho, 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.
33.093000, 134.885000
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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
iscgem878153
Coordinates
33.093, 134.885
Network
iscgem
Significance
616