The China Earthquake Networks Center gave the magnitude as 5.6 and depth at 11 kilometers (6.8 miles). Aftershocks followed in the area, including one registering magnitude 4.9.
Roughly 200 kilometers (125 miles) from the provincial capital Chengdu, Luding is located in the Garze Tibetan Autonomous Prefecture on the edge of the Tibetan Plateau, where tectonic plates grind up against each other.
China’s deadliest earthquake in recent years was a 7.9 magnitude quake in 2008 that killed nearly 90,000 people in Sichuan. The temblor devastated towns, schools and rural communities outside Chengdu, leading to years of rebuilding with more quake-resistant materials.