In the two headlined disasters, some miners survived explosions only to die for lack of oxygen.
A misunderstanding late in the evening among rescuers in the mine led to a false report that all the miners had survived.
The miners survived underground for 69 days until their rescue on 13 October 2010, a record period of time.
Only a few miners survived.
Two miners survived by breaking into an air pipe that led to the surface.
That comment was taken by some residents and reporters as confirmation that the miners had survived.
Only seven miners survived and the mine burned for one full day.
Unlike the President, the miner survived.
A new transcript of radio communications between two emergency workers reflected the confusion that led to families believing for hours that 12 miners had survived.
A half-dozen other miners slit their wrists, but survived.