QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us2000a8qf
USGS us2000a8qf
16 Aug 2017, 13:51
158 km WNW of Naze, Japan
A magnitude 5.7 mww earthquake at 198 km depth.
Published location
Where is 158 km WNW of Naze, 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.
28.673700, 127.900700
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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
us2000a8qf
Coordinates
28.6737, 127.9007
Network
us
Significance
507