QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem900343
USGS iscgem900343
19 Jun 1942, 21:37
114 km SSE of Nemuro, Japan
A magnitude 6 mw earthquake at 25 km depth.
Published location
Where is 114 km SSE of Nemuro, 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.
42.355000, 146.069000
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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
iscgem900343
Coordinates
42.355, 146.069
Network
iscgem
Significance
558