QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000j852
USGS usp000j852
16 Sept 2011, 20:40
137 km ENE of Miyako, Japan
A magnitude 5.1 mb earthquake at 35 km depth.
Published location
Where is 137 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.
40.164000, 143.397000
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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
usp000j852
Coordinates
40.164, 143.397
Network
us
Significance
400