QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0003sp0
USGS usp0003sp0
6 Mar 1989, 14:39
6 km SSE of Narut?, Japan
A magnitude 6.1 mw earthquake at 42.1 km depth.
Published location
Where is 6 km SSE of Narut?, 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.
35.545000, 140.444000
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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
usp0003sp0
Coordinates
35.545, 140.444
Network
us
Significance
572