QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem793336
USGS iscgem793336
30 Aug 1970, 18:46
Sea of Okhotsk
A magnitude 7.3 mw earthquake at 647.6 km depth.
Published location
Where is Sea of Okhotsk?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
52.301000, 151.613000
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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
iscgem793336
Coordinates
52.301, 151.613
Network
iscgem
Significance
822