The earthquake damaged houses, roads, as well as other infrastructures, state-run Xinhua news agency quoted eyewitnesses from the area as saying.
At least 50 people were killed and more than 150 others injured on Friday when a shallow earthquake followed by a series of aftershocks jolted the mountainous southwest China, triggering landslides and toppling thousands of houses.
"As so far, 12 people died and another 125 were injured," China Daily reported.