QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem902758
USGS iscgem902758
7 Nov 1938, 02:28
64 km E of Iwaki, Japan
A magnitude 6.3 mw earthquake at 25 km depth.
Published location
Where is 64 km E of Iwaki, 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.
37.074000, 141.612000
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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
iscgem902758
Coordinates
37.074, 141.612
Network
iscgem
Significance
609