QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0004ajw
USGS usp0004ajw
16 Jun 1990, 05:53
153 km N of Nago, Japan
A magnitude 6 mw earthquake at 27 km depth.
Published location
Where is 153 km N of Nago, 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.
27.998000, 127.976000
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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
usp0004ajw
Coordinates
27.998, 127.976
Network
us
Significance
554