QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem813290
USGS iscgem813290
19 Jan 1969, 08:02
70 km N of Mombetsu, Japan
A magnitude 7 mw earthquake at 244.7 km depth.
Published location
Where is 70 km N of Mombetsu, 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.
44.985000, 143.238000
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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
iscgem813290
Coordinates
44.985, 143.238
Network
iscgem
Significance
752