QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000c8zd
USGS usp000c8zd
28 Sept 2003, 17:50
137 km SSE of Kushiro, Japan
A magnitude 5.4 mwc earthquake at 30.4 km depth.
Published location
Where is 137 km SSE of Kushiro, 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.
41.885000, 145.165000
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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
usp000c8zd
Coordinates
41.885, 145.165
Network
us
Significance
449