Mariana dam disaster

Quality:

Bento Rodrigues dam disaster - iron ore tailings dam failure in Brazil, disaster which occurred on 5 November 2015. Article “Mariana dam disaster” in English Wikipedia has 81.9 points for quality (as of July 1, 2025). The article contains 77 references and 16 sections.

This article has the best quality in Portuguese Wikipedia. Also, this article is the most popular in that (English) language version.

Since the creation of article “Mariana dam disaster”, its content was written by 114 registered users of English Wikipedia and edited by 355 registered Wikipedia users in all languages.

The article is cited 54 times in English Wikipedia and cited 332 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #439 in November 2015
• Global: #367 in November 2015

The highest popularity rank from 2008:

• Local (English): #36324 in January 2019
• Global: #2870 in January 2019

There are 12 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	Portuguese (pt) Rompimento de barragem em Mariana		84.9139
2	English (en) Mariana dam disaster		81.9388
3	Chinese (zh) 班托羅德里格斯水壩災難		68.4948
4	Simple English (simple) Bento Rodrigues dam disaster		48.3113
5	German (de) Dammbruch von Bento Rodrigues		44.1614
6	Spanish (es) Catástrofe de las represas de Bento Rodrigues		40.641
7	Serbian (sr) Катастрофа на јаловишту Бенто Родригес		31.119
8	French (fr) Rupture de barrages de Bento Rodrigues		30.5952
9	Arabic (ar) كارثة سد بينتو رودريغس		26.3695
10	Italian (it) Disastro ambientale di Bento Rodrigues		22.0887

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

#	Language	Popularity award	Relative popularity
1	Portuguese (pt) Rompimento de barragem em Mariana		1 870 125
2	English (en) Mariana dam disaster		529 025
3	Spanish (es) Catástrofe de las represas de Bento Rodrigues		65 692
4	German (de) Dammbruch von Bento Rodrigues		59 858
5	French (fr) Rupture de barrages de Bento Rodrigues		47 908
6	Italian (it) Disastro ambientale di Bento Rodrigues		20 584
7	Chinese (zh) 班托羅德里格斯水壩災難		14 371
8	Finnish (fi) Bento Rodriguesin pato-onnettomuus		4 245
9	Arabic (ar) كارثة سد بينتو رودريغس		2 185
10	Simple English (simple) Bento Rodrigues dam disaster		1 674

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

#	Language	Popularity award	Relative popularity
1	Portuguese (pt) Rompimento de barragem em Mariana		6 139
2	English (en) Mariana dam disaster		2 360
3	Spanish (es) Catástrofe de las represas de Bento Rodrigues		274
4	German (de) Dammbruch von Bento Rodrigues		226
5	French (fr) Rupture de barrages de Bento Rodrigues		120
6	Italian (it) Disastro ambientale di Bento Rodrigues		89
7	Catalan (ca) Catàstrofe de les preses de Bento Rodrigues		77
8	Chinese (zh) 班托羅德里格斯水壩災難		63
9	Simple English (simple) Bento Rodrigues dam disaster		52
10	Serbian (sr) Катастрофа на јаловишту Бенто Родригес		18

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

#	Language	AI award	Relative AI
1	English (en) Mariana dam disaster		114
2	Portuguese (pt) Rompimento de barragem em Mariana		95
3	German (de) Dammbruch von Bento Rodrigues		35
4	French (fr) Rupture de barrages de Bento Rodrigues		33
5	Italian (it) Disastro ambientale di Bento Rodrigues		29
6	Catalan (ca) Catàstrofe de les preses de Bento Rodrigues		11
7	Spanish (es) Catástrofe de las represas de Bento Rodrigues		11
8	Serbian (sr) Катастрофа на јаловишту Бенто Родригес		8
9	Chinese (zh) 班托羅德里格斯水壩災難		8
10	Finnish (fi) Bento Rodriguesin pato-onnettomuus		4

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	Arabic (ar) كارثة سد بينتو رودريغس		0
2	Catalan (ca) Catàstrofe de les preses de Bento Rodrigues		0
3	German (de) Dammbruch von Bento Rodrigues		0
4	English (en) Mariana dam disaster		0
5	Spanish (es) Catástrofe de las represas de Bento Rodrigues		0
6	Finnish (fi) Bento Rodriguesin pato-onnettomuus		0
7	French (fr) Rupture de barrages de Bento Rodrigues		0
8	Italian (it) Disastro ambientale di Bento Rodrigues		0
9	Portuguese (pt) Rompimento de barragem em Mariana		0
10	Simple English (simple) Bento Rodrigues dam disaster		0

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

On 28 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Ali Khamenei, Iran, Ruhollah Khomeini, Jeffrey Epstein, Supreme Leader of Iran, Mohammad Reza I of Iran, 2026 Israeli–United States strikes on Iran, Neil Sedaka, Masoud Pezeshkian, Resident Evil Requiem.

In English Wikipedia the most popular articles on that day were: Ali Khamenei, 2026 Israeli–United States strikes on Iran, Neil Sedaka, Iran, Ruhollah Khomeini, Iran–Israel conflict, Supreme Leader of Iran, Scream 7, Elimination Chamber (2026), World War III.

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