Three earthquakes hit Dingri county in China's Xizang autonomous region within a 20-minute period on Monday night, around one week after a destructive 6.8-magnitude quake jolted the county.
This time, a 4.9 magnitude quake was followed by a 5.0 magnitude one, and a 3.1 magnitude tremor followed. The first happened at 8:57 pm followed by one at 8:58 pm and the last one at 9:14 pm, according to the China Earthquake Networks Center.
