QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us20004h86
USGS us20004h86
15 Dec 2015, 00:20
Volcano Islands, Japan region
A magnitude 5.1 mb earthquake at 55.5 km depth.
Published location
Where is Volcano Islands, Japan region?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
25.720900, 141.946500
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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
us20004h86
Coordinates
25.7209, 141.9465
Network
us
Significance
400