QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us20003iv1
USGS us20003iv1
11 Sept 2015, 21:49
13 km N of Kisarazu, Japan
A magnitude 5.1 mww earthquake at 51.2 km depth.
Published location
Where is 13 km N of Kisarazu, 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.
35.504200, 139.906400
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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
us20003iv1
Coordinates
35.5042, 139.9064
Network
us
Significance
508