QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0000694
USGS usp0000694
9 May 1974, 00:33
25 km SW of Shimoda, Japan
A magnitude 6.5 ms earthquake at 2 km depth.
Published location
Where is 25 km SW of Shimoda, 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.
34.522000, 138.740000
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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
usp0000694
Coordinates
34.522, 138.74
Network
us
Significance
650