東海村JCO臨界事故

Quality:

Tōkaimura criticality accident - nuclear accident. Article "東海村JCO臨界事故" in Japanese Wikipedia has 32.2 points for quality (as of July 1, 2025). The article contains 57 references and 18 sections. The article also contains quality flaw template, which reduce quality score.

This article has the best quality in English Wikipedia. However, this article is the most popular in Japanese version.

In June 2025 the article "東海村JCO臨界事故" was edited by 1 authors in Japanese Wikipedia and written by 9 authors in all languages.

Since the creation of article "東海村JCO臨界事故", its content was written by 161 registered users of Japanese Wikipedia (9337^th place) and edited by 682 registered Wikipedia users in all languages.

The article is cited 464 times in Japanese Wikipedia and cited 869 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Japanese): #147 in March 2011
• Global: #8545 in March 2011

The highest popularity rank from 2008:

• Local (Japanese): #11 in March 2011
• Global: #191 in March 2011

There are 16 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) Tokaimura nuclear accidents		73.6919
2	Portuguese (pt) Acidentes nucleares de Tokaimura		63.7986
3	German (de) Nuklearunfall von Tōkaimura 1999		45.023
4	Ukrainian (uk) Аварія на ядерному об'єкті Токаймура		38.2063
5	Russian (ru) Авария на ядерном объекте Токаймура		35.6041
6	Japanese (ja) 東海村JCO臨界事故		32.1884
7	French (fr) Accident nucléaire de Tokaimura		31.165
8	Turkish (tr) Tokaimura nükleer kazaları		28.677
9	Korean (ko) 도카이촌 JCO 임계사고		27.132
10	Italian (it) Incidenti di Tokaimura		25.5791

The following table shows the most popular language versions of the article.

#	Language	Popularity award	Relative popularity
1	Japanese (ja) 東海村JCO臨界事故		8 127 916
2	English (en) Tokaimura nuclear accidents		4 358 957
3	Chinese (zh) 東海村JCO臨界事故		704 266
4	Russian (ru) Авария на ядерном объекте Токаймура		396 381
5	German (de) Nuklearunfall von Tōkaimura 1999		251 042
6	Spanish (es) Accidentes de Tokaimura		246 136
7	Italian (it) Incidenti di Tokaimura		230 881
8	French (fr) Accident nucléaire de Tokaimura		185 073
9	Simple English (simple) Tokaimura nuclear accident		148 396
10	Korean (ko) 도카이촌 JCO 임계사고		83 447

The following table shows the language versions of the article with the highest popularity in the last month.

#	Language	Popularity award	Relative popularity
1	Japanese (ja) 東海村JCO臨界事故		35 557
2	English (en) Tokaimura nuclear accidents		32 623
3	Spanish (es) Accidentes de Tokaimura		7 760
4	Italian (it) Incidenti di Tokaimura		6 726
5	Chinese (zh) 東海村JCO臨界事故		5 072
6	Simple English (simple) Tokaimura nuclear accident		3 506
7	German (de) Nuklearunfall von Tōkaimura 1999		2 348
8	Russian (ru) Авария на ядерном объекте Токаймура		1 988
9	French (fr) Accident nucléaire de Tokaimura		1 568
10	Portuguese (pt) Acidentes nucleares de Tokaimura		1 257

The following table shows the language versions of the article with the highest Authors’ Interest.

#	Language	AI award	Relative AI
1	English (en) Tokaimura nuclear accidents		218
2	Japanese (ja) 東海村JCO臨界事故		161
3	Italian (it) Incidenti di Tokaimura		52
4	French (fr) Accident nucléaire de Tokaimura		38
5	Chinese (zh) 東海村JCO臨界事故		38
6	German (de) Nuklearunfall von Tōkaimura 1999		35
7	Russian (ru) Авария на ядерном объекте Токаймура		33
8	Korean (ko) 도카이촌 JCO 임계사고		29
9	Spanish (es) Accidentes de Tokaimura		18
10	Simple English (simple) Tokaimura nuclear accident		18

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

#	Language	AI award	Relative AI
1	English (en) Tokaimura nuclear accidents		5
2	Arabic (ar) حادثة توكايمورا النووية		1
3	Italian (it) Incidenti di Tokaimura		1
4	Japanese (ja) 東海村JCO臨界事故		1
5	Russian (ru) Авария на ядерном объекте Токаймура		1
6	German (de) Nuklearunfall von Tōkaimura 1999		0
7	Spanish (es) Accidentes de Tokaimura		0
8	French (fr) Accident nucléaire de Tokaimura		0
9	Indonesian (id) Insiden nuklir Tokaimura		0
10	Korean (ko) 도카이촌 JCO 임계사고		0

The following table shows the language versions of the article with the highest number of citations.

On 12 August 2025 in multilingual Wikipedia, Internet users most often read articles on the following topics: Cristiano Ronaldo, Wednesday, Georgina Rodríguez, ChatGPT, Weapons, Jenna Ortega, deaths in 2025, Taylor Swift, Miguel Uribe Turbay, 2025–26 UEFA Champions League.

In Japanese Wikipedia the most popular articles on that day were: 日本航空123便墜落事故, 坂本九, 二階堂ふみ, カズレーザー, 北原遥子, やなせたかし, 柏木由紀子, 大竹七未, 大島花子, 舞坂ゆき子.

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information