Complex sentence: The epicenter was in Lushan County, Ya'an, Sichuan, China, which is about from Chengdu, along the Longmenshan Fault in the same province that was heavily impacted by the 2008 Sichuan earthquake.
Split into simpler sentences: The epicenter was in Lushan County, Ya'an, Sichuan, China, which is about from Chengdu. The earthquake occurred along the Longmenshan Fault and was in the same province that was heavily impacted by the 2008 Sichuan earthquake.