QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0009r77
USGS usp0009r77
12 Apr 2000, 22:51
near the east coast of Honshu, Japan
A magnitude 5.1 mwc earthquake at 33 km depth.
Published location
Where is near the east coast of Honshu, 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.
40.131000, 142.291000
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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
usp0009r77
Coordinates
40.131, 142.291
Network
us
Significance
400