QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp00018hz
USGS usp00018hz
29 Jun 1980, 08:20
19 km SSE of It?, Japan
A magnitude 6.2 ms earthquake at 15 km depth.
Published location
Where is 19 km SSE of It?, 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.
34.808000, 139.181000
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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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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
usp00018hz
Coordinates
34.808, 139.181
Network
us
Significance
591