QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000hvuk
USGS usp000hvuk
11 Mar 2011, 11:27
128 km ESE of Yamada, Japan
A magnitude 5.4 mb earthquake at 10 km depth.
Published location
Where is 128 km ESE of Yamada, 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.
39.128000, 143.369000
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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
usp000hvuk
Coordinates
39.128, 143.369
Network
us
Significance
449