QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us2000iulu
USGS us2000iulu
18 Dec 2018, 01:15
Volcano Islands, Japan region
A magnitude 5 mb earthquake at 10 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.
23.168400, 143.873600
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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
us2000iulu
Coordinates
23.1684, 143.8736
Network
us
Significance
385