QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem821946
USGS iscgem821946
16 May 1968, 01:49
1968 Tokachi-Oki Earthquake
A magnitude 8.2 mw earthquake at 26.9 km depth.
Published location
Where is 1968 Tokachi-Oki Earthquake?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
40.890000, 143.362000
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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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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
iscgem821946
Coordinates
40.89, 143.362
Network
iscgem
Significance
1034