QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem905331
USGS iscgem905331
4 Jan 1933, 01:24
Bonin Islands, Japan region
A magnitude 6.2 mw earthquake at 20 km depth.
Published location
Where is Bonin 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.
26.025000, 144.252000
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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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Catalog fields and provenance
Event ID
iscgem905331
Coordinates
26.025, 144.252
Network
iscgem
Significance
599