QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000h8af
USGS usp000h8af
28 Feb 2010, 22:07
5 km NW of ?magari, Japan
A magnitude 5.1 mwc earthquake at 121.8 km depth.
Published location
Where is 5 km NW of ?magari, 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.
39.482000, 140.440000
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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
usp000h8af
Coordinates
39.482, 140.44
Network
us
Significance
400