XINING -- The 6.2-magnitude earthquake that jolted Northwest China at midnight Monday has killed 22 people in Qinghai province, local authorities said.

As of 8:56 pm Wednesday, the disaster had injured 198 people in Qinghai, with 12 others still missing, the provincial emergency management department said.

According to the China Earthquake Networks Center, the quake jolted at 11:59 pm Monday and has a focal depth of 10 km. The epicenter Liugou township is about 8 km from the county seat of the Bonan-Dongxiang-Salar autonomous county of Jishishan in Gansu province.

By Wednesday morning, a total of 113 people were confirmed dead in Gansu.