QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0002d87
USGS usp0002d87
27 Mar 1985, 12:48
59 km N of Shikotan, Russia
A magnitude 6.1 mw earthquake at 154.9 km depth.
Published location
Where is 59 km N of Shikotan, Russia?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
44.335000, 146.666000
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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
usp0002d87
Coordinates
44.335, 146.666
Network
us
Significance
572