QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000j85n
USGS usp000j85n
16 Sept 2011, 23:40
122 km ENE of Miyako, Japan
A magnitude 5.7 mwc earthquake at 37.7 km depth.
Published location
Where is 122 km ENE 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.
40.242000, 143.145000
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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
usp000j85n
Coordinates
40.242, 143.145
Network
us
Significance
500