QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem890863
USGS iscgem890863
18 Jul 1954, 10:07
12 km SSE of Hasaki, Japan
A magnitude 6.3 mw earthquake at 55 km depth.
Published location
Where is 12 km SSE of Hasaki, 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.
35.641000, 140.903000
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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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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
iscgem890863
Coordinates
35.641, 140.903
Network
iscgem
Significance
607