QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0001xxv
USGS usp0001xxv
25 Aug 1983, 21:23
6 km SE of Bungo-Takada-shi, Japan
A magnitude 6.5 mw earthquake at 126.4 km depth.
Published location
Where is 6 km SE of Bungo-Takada-shi, 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.
33.509000, 131.484000
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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
usp0001xxv
Coordinates
33.509, 131.484
Network
us
Significance
650