Fatal Accident in The Lieutenant: Sernageomin Says No Preventive Actions Were Activated and Asks Codelco 12 Corrective Measures

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The causes that caused last year the fatal accident in El Teniente, one of the seven divisions of Codelco, continue to be analyzed technically.The event that occurred on July 31, 2025, in which six workers died, was caused by a “high-energy geomechanical event” or rock explosion, linked to conditions typical of underground mining and interaction of mining cavities in the northern area of El Teniente, a mine located in the commune of Machalí, O’H…