QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us700034d3
USGS us700034d3
11 Apr 2019, 09:18
143 km NE of Miyako, Japan
A magnitude 6 mww earthquake at 18 km depth.
Published location
Where is 143 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.
40.409600, 143.298500
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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
us700034d3
Coordinates
40.4096, 143.2985
Network
us
Significance
559