A tragic rescue operation at Chile’s El Teniente copper mine concluded on Sunday with the recovery of the final missing miner’s body, confirming that all five trapped workers had died following a tunnel collapse.
Incident Overview
| Detail | Information |
| Location | El Teniente Copper Mine, O’Higgins Region, Chile |
| Operator | Codelco (State-owned mining company) |
| Event | Tunnel collapse following a “seismic event” |
| Date of Incident | Thursday before the recovery of the final body on Sunday |
| Suspension of Operations | Operations halted since Friday |
| Casualties | 5 miners confirmed dead |
| Cause | Under investigation (possibilities include seismic activity or drilling) |
Official Statement
Aquiles Cubillos, the regional prosecutor for O’Higgins, confirmed:
“Today we finally found the last of the missing workers.”
About the El Teniente Mine
- Size: The world’s largest underground copper deposit
- Tunnels: More than 4,500 kilometres (2,800 miles) in total length
- Production (2024): 356,000 metric tonnes (approx. 392,000 tons) of copper
- Contribution to National Output: Nearly 7% of Chile’s total copper production
Safety Context
Despite this tragedy, Chile’s mining industry remains one of the safest globally. According to the National Geology and Mining Service:
- Fatality Rate in 2024: 0.02%
Ongoing Investigation
Authorities have yet to confirm whether the seismic event that triggered the collapse was due to natural causes (earthquake) or mining activity (drilling). Investigations are underway.



