A total of 1,380 aftershocks have been detected in Yushu Tibetan Autonomous Prefecture, Qinghai Province, after a 7.1-magnitude earthquake hit the region on April 14, said seismological authorities.

As of 6 p.m. Thursday, the area has been hit by 1,380 aftershocks, 13 of which surpassed 3 magnitude.

Twelve of the 13 aftershocks occurred before April 17. Both the frequency and intensity of the aftershocks were declining, Qinghai Provincial Seismological Bureau said in a statement.

The quake has left at least 2,183 dead, 84 missing and 12,135 injured, including 1,434 seriously hurt, as of 5 p.m. Wednesday.