QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem886697
USGS iscgem886697
12 Jun 1957, 09:28
133 km ENE of Misawa, Japan
A magnitude 6.1 mw earthquake at 35 km depth.
Published location
Where is 133 km ENE of Misawa, 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.
41.155000, 142.845000
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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
iscgem886697
Coordinates
41.155, 142.845
Network
iscgem
Significance
578