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Author: Admin | 2025-04-28
Mariana dam disasterThe village of Bento Rodrigues after the disasterBento Rodriguesclass=notpageimage| Bento Rodrigues in BrazilDate5 November 2015LocationGermano mine complex, Mariana, Minas Gerais, BrazilCoordinates20°13′53″S 43°26′33″W / 20.23139°S 43.44250°WTypeDam failureCauseUnknown[1]ParticipantsSamarco (Vale, BHP Billiton)Deaths19[2]Non-fatal injuries16+[1]Property damageTwo villages devastated,[1] around 200 homes destroyed[3]The Mariana dam disaster, also known as the Bento Rodrigues or Samarco dam disaster, occurred on 5 November 2015, when the Fundão tailings dam at the Germano iron ore mine of the Samarco Mariana Mining Complex near Mariana, Minas Gerais, Brazil, suffered a catastrophic failure, resulting in flooding that devastated the downstream villages of Bento Rodrigues and Paracatu de Baixo (40 km (25 mi) from Bento Rodrigues), killing 19 people.[4][5] The extent of the damage caused by the tailings dam collapse is the largest ever recorded with pollutants spread along 668 kilometres (415 mi) of watercourses.[6]The failure of the dam released 43.7 million cubic metres of mine tailings into the Doce River, causing a toxic brown mudflow to pollute the river and beaches near the mouth when it reached the Atlantic Ocean 17 days later.[7][8][9][10] The disaster created a humanitarian crisis as hundreds were displaced and cities along the Doce River suffered water shortages when their water supplies were polluted.The total impact of the disaster, including the reason for failure and the environmental consequences, are officially under investigation and remain unclear.[11] The owner of the Bento Rodrigues dam, Samarco, was subject to extensive litigation and government sanctions. In 2016, charges of manslaughter and environmental damage were filed against 21 executives, including Samarco's former CEO and representatives from Samarco's owners, Vale and BHP Billiton, on its board of directors. Controversy over the investigation grew after a 2013 report, indicating structural issues in the dam, was leaked.[12][13][14][15]On 6 November 2024, the President of the Brazilian Supreme Federal Court (STF), Luis Roberto Barroso, granted approval to a R$170 billion (approximately U$30 billion) compensation agreement to repair the damages caused by the disaster, signed between the mining companies and the Brazilian government.[16] The Fundão tailings dam was constructed and owned by Samarco, a mining company, near Mariana, a municipality 67 kilometres (42 mi) southeast of Belo Horizonte, in the state of Minas Gerais, Brazil. The tailings dam was built by Samarco to accommodate the waste resulting from the extraction of iron ore taken from extensive Germano mine, located in the Mariana district of Santa Rita Durão. The Fundão dam was constructed in hills near the village
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