Record entry · Geophysical

Fukushima

Added 30 Sept 2026Mentions 32Sources 12Days of coverage 26

Why this name is on the record

Fukushima was added automatically on 30 Sept 2026 after 32 mentions across 12 sources over 26 days. 53% of that coverage came from a single subject area.

Who Fukushima moves with

Names most often reported alongside it; bigger circles and heavier lines mean more shared documents. A dashed circle has no page of its own yet.

Japan · 42 shared documents
Earthquake · 23 shared documents · no page of its own yet
Nuclear · 20 shared documents
France · 13 shared documents
Nuclear Energy · 12 shared documents · no page of its own yet
Small Modular Reactor · 12 shared documents · no page of its own yet
China · 11 shared documents
South Korea · 11 shared documents
AI · 10 shared documents
Climate · 10 shared documents

For developers

GET https://sigb.ai/api/registry?slug=fukushima

{
  "slug": "fukushima",
  "state": "active",
  "detail": {
    "state": "active",
    "source": "ontology",
    "label": "fukushima",
    "promotedAt": "2026-09-30",
    "category": "geophysical",
    "evidence": {
      "mentions": 32,
      "sources": 12,
      "days": 26,
      "concentration": 0.531,
      "standAloneShare": 0.8
    }
  }
}

The record behind this page, as data. The live response also carries the registry date and version.

Walk the record from Fukushima

Open where it comes from, follow a claim or a related name, and use the trail to come back. Every step says what it is, how it stands and when. Machines read the same record.

Fukushima

Entity.

Evidence: 49 documents · 23 separate publishers · a mention shows the name is in use, not that any claim about it is true
Standing: A name from our starting list; its record is kept up to date automatically from coverage
Time: first seen 13 Apr 2026, last seen 7 Oct 2026
Measured: 45% of mentions say something specific about it; the rest only name it
As of: 8 Oct 2026