At least four people are dead and 23 others injured after a strong earthquake struck southwest China late Monday. Geologists at the China Earthquake Networks Center said a 5.0-magnitude earthquake struck in Qiaojia county in Yunnan province. China is prone to earthquakes, especially in its mountainous western and southwestern regions. One of the worst disasters of its kind occurred in 2008, when nearly 90,000 were killed when a strong earthquake struck Sichuan province.
…