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Earthquake Early Warning

Japanese system to alert of impending earthquakes
SoftwareApplication software Q1281628
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Earthquake Early Warning

Summary

Earthquake Early Warning is a software[1]. It ranks in the top 1% of software entities by monthly Wikipedia readership (105 views/month).[2]

Key Facts

  • Earthquake Early Warning is in the country of Japan[3].
  • Earthquake Early Warning's instance of is recorded as software[4].
  • Earthquake Early Warning's instance of is recorded as earthquake warning system[5].
  • Earthquake Early Warning is operated by Japan Meteorological Agency[6].
  • Earthquake Early Warning's Commons category is recorded as Earthquake Early Warning (Japan)[7].
  • October 1, 2007 marks the founding of Earthquake Early Warning[8].
  • Earthquake Early Warning's official website is recorded as https://www.data.jma.go.jp/svd/eew/data/nc/[9].
  • Earthquake Early Warning's hashtag is recorded as 緊急地震速報[10].

Why It Matters

Earthquake Early Warning ranks in the top 1% of software entities by monthly Wikipedia readership (105 views/month).[2] It has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.[11]

Related Entities

Japan software

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [11] ↑ . Wikidata sitelinks. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Earthquake Early Warning. Retrieved March 17, 2026, from https://4ort.xyz/entity/earthquake-early-warning
MLA “Earthquake Early Warning.” 4ort.xyz Knowledge Graph, 4ort.xyz, 17 Mar. 2026, https://4ort.xyz/entity/earthquake-early-warning.
BibTeX @misc{4ortxyz_earthquake-early-warning_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Earthquake Early Warning}}, year = {2026}, url = {https://4ort.xyz/entity/earthquake-early-warning}, note = {Accessed: 2026-03-17}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Earthquake Early Warning — https://4ort.xyz/entity/earthquake-early-warning (retrieved 2026-03-17)

Canonical URL: https://4ort.xyz/entity/earthquake-early-warning · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 18d ago · Peka · 2026-07-01 view diff on Wikidata ↗
    Country → Japan
    Schematic → Earthquake Early Warning (Japan)-en.png
    Pixiv encyclopedia id → —
    Operator → Japan Meteorological Agency
    + 21 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P2354]]: [[Q140391693]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.