Drill and Deal

News / 2025

· Risk, Copper

A collapse at Codelco’s El Teniente mine kills six workers

An earthquake triggered a collapse in the world’s largest underground copper mine in Chile, killing six people. Codelco suspended underground operations and later said the accident would cut its 2025 output.

Adit entrances of Codelco’s El Teniente copper mine, seen from Sewell, Chile
Photo: WeHaKa, CC BY-SA 4.0

Why it matters. Safety failures at a state-owned giant hit national output, the budget and the owner’s ability to fund its projects.

Source
MINING.COM
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Module 10: Risk and jurisdiction