QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000j86f
USGS usp000j86f
17 Sept 2011, 08:34
91 km NE of Miyako, Japan
A magnitude 5.7 mwc earthquake at 30 km depth.
Published location
Where is 91 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.
40.265000, 142.657000
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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
usp000j86f
Coordinates
40.265, 142.657
Network
us
Significance
500