The temblor occurred at 5:49 pm. local time at a depth of 10 kilometers (6 miles). The epicenter is Yaodu town, Qingchuan County where, according to a Xinhua report, one person died, five were seriously wounded, and 18 slightly wounded.
The fresh quake also caused the collapse of a major bridge in Wen County in the neighboring Gansu province, injuring one other person.
A reporter from chinanews.com felt strong shaking in Chengdu, capital city of Sichuan province, where the Olympic torch made its way through a few hours earlier.
This quake was the second major aftershock in 4 days in Sichuan, after a 6.1-magnitude quake hit on August 1.
The aftershocks follow the devastating May 12 earthquake which killed at least 70,000 people.
