QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000c8mb
USGS usp000c8mb
25 Sept 2003, 22:08
119 km ESE of Shizunai-furukawach?, Japan
A magnitude 7.4 mwc earthquake at 33 km depth.
Published location
Where is 119 km ESE 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.
41.774000, 143.593000
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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
usp000c8mb
Coordinates
41.774, 143.593
Network
us
Significance
842