QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem902818
USGS iscgem902818
22 Nov 1938, 03:23
149 km ESE of Iwaki, Japan
A magnitude 6 mw earthquake at 25 km depth.
Published location
Where is 149 km ESE 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.
36.589000, 142.461000
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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
iscgem902818
Coordinates
36.589, 142.461
Network
iscgem
Significance
561