Firefighters walk to check houses in Maying Village, the Huangcheng Mongolian Township of Menyuan Hui Autonomous County, northwest China's Qinghai Province, Jan. 8, 2022. (Xinhua/Zhang Long)

XINING, Jan. 12 (Xinhua) -- No casualties have so far been reported following three aftershocks that jolted the Menyuan Hui Autonomous County in northwest China's Qinghai Province on Wednesday.

Earthquakes of 5.2, 4.8 and 4.5 magnitudes struck the county at 6:20 p.m., 8:16 p.m. and 9:01 p.m., respectively, according to the China Earthquake Networks Center (CENC).

The local earthquake bureau held a press conference on Wednesday evening, stating that all three tremors were aftershocks of a 6.9-magnitude earthquake that jolted the county on Saturday.

Experts said that aftershocks in recent days had ranged from magnitudes of 5 to 6, which will not have a major impact on production and residents in nearby areas.

Roads, major industrial and mining enterprises, schools, hospitals and other key facilities in the quake-hit area have not been affected by the three aftershocks so far.