Compañía Minera San Esteban Primera and rescue efforts began the next day. The National Emergencies Office of Chile that day issued a list of 33 trapped and possibly deceased miners, that included Franklin Lobos, a retired footballer, and Carlos Mamani, a Bolivian national. 17 days later on August 22 the miners were found to be alive, but trapped. It was not until 69 days after the collapse on October 13, 2010, that the first miner, Florencio Ávalos, was rescued. All 33 were eventually rescued. San Esteban Mining Company is considering bankruptcy. San José is the only mine owned by San Esteban. President of Chile Sebastián
Vorkuta mine disaster the presence of methane gas within the mine, which workers feared would spark another explosion, and lack of communication with the trapped miners. In the morning of 28 February, a third explosion, also believed to be caused by methane gas, shook the mine, causing further collapses. Five rescue workers and another miner, attempting to reach the trapped miners, were killed. Based on the proximity of the explosion to where the trapped miners were located, the trajectory of the flames, and the high concentration of carbon monoxide in the mine's air, Russia's Emergency Situations Minister Vladimir Puchkov believed the trapped miners