QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem902875
USGS iscgem902875
18 Dec 1938, 21:45
154 km ESE of ?funato, Japan
A magnitude 6.3 mw earthquake at 15 km depth.
Published location
Where is 154 km ESE of ?funato, 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.
38.371000, 143.249000
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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
iscgem902875
Coordinates
38.371, 143.249
Network
iscgem
Significance
613