QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us10006u4m
USGS us10006u4m
22 Sept 2016, 17:00
157 km ESE of Katsuura, Japan
A magnitude 5 mb earthquake at 18.4 km depth.
Published location
Where is 157 km ESE of Katsuura, 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.
34.430400, 141.796100
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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
us10006u4m
Coordinates
34.4304, 141.7961
Network
us
Significance
385