QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0004zq5
USGS usp0004zq5
26 Nov 1991, 19:40
33 km SSE of Shizunai-furukawach?, Japan
A magnitude 6.4 mwb earthquake at 56.3 km depth.
Published location
Where is 33 km SSE of Shizunai-furukawach?, 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.
42.051000, 142.523000
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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
usp0004zq5
Coordinates
42.051, 142.523
Network
us
Significance
630