Major Tunnel Collapse at DRC's Rubaya Mine Threatens 15% of Global Tantalum Supply

Published: Jan 31, 2026 14:38 (GMT+8)

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【SMM Flash】Major Mine Collapse in Eastern DRC May Impact Global Tantalum Supply. According to the rebel group "M23," a large-scale tunnel collapse occurred recently at the Rubaya copper-tantalum mining area in North Kivu Province, resulting in over 200 fatalities, mostly among artisanal miners, including women and children. Controlled by M23 since April 2024, the mine accounts for over 15% of global tantalum supply, a critical metal used in smartphones, electric vehicles, aerospace, and other high-tech applications. The cause of the accident and its subsequent impacts are still under observation.

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