QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000hxat
USGS usp000hxat
15 Mar 2011, 08:01
138 km NE of Miyako, Japan
A magnitude 5.4 mwb earthquake at 12 km depth.
Published location
Where is 138 km NE of Miyako, 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.
40.401000, 143.240000
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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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Catalog fields and provenance
Event ID
usp000hxat
Coordinates
40.401, 143.24
Network
us
Significance
449