QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000j01w
USGS usp000j01w
16 Apr 2011, 02:11
123 km NNW of Ishigaki, Japan
A magnitude 5.7 mww earthquake at 131 km depth.
Published location
Where is 123 km NNW of Ishigaki, 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.
25.435000, 123.897000
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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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Catalog fields and provenance
Event ID
usp000j01w
Coordinates
25.435, 123.897
Network
us
Significance
502