QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000j06s
USGS usp000j06s
18 Apr 2011, 14:03
8 km NW of ?date, Japan
A magnitude 5 mb earthquake at 74.7 km depth.
Published location
Where is 8 km NW of ?date, 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.
40.320000, 140.478000
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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
usp000j06s
Coordinates
40.32, 140.478
Network
us
Significance
385