Seven people are dead and five are missing after floods and landslides wreaked havoc in east China's Jiangxi Province over the past two days, local authorities said Friday.

Five people had died in landslides and two drowned in flood waters in Dingnan county of Ganzhou city by noon Friday, said the provincial flood control and drought relief headquarters.

The torrential rain, which started Wednesday afternoon, destroyed 515 residential buildings and forced the temporary relocations of 4,430 people in Ganzhou.

The rain also disrupted traffic on some roads and inundated some villages and schools.

Egong township in Dingnan county received the highest rainfall of 450 mm from 3 p.m. Wednesday to 8 a.m. Friday.

A violent rainstorm and gales Wednesday and Thursday left 29 people dead and one missing in the southwestern Chongqing Municipality, said the Ministry of Civil Affairs Thursday.

In the southern Guangdong province, rainstorms have left six dead and further three missing over the past two days.

More than 3,000 houses had collapsed, the Guangdong provincial flood control and drought relief headquarters said. The disaster also has caused direct economic losses of 800 million yuan (117 million U.S. dollars).

More than 50,000 people, mainly in eastern and northern Guangdong, have been relocated.

In the hard hit Shaoguan city, storms have killed four people, left three missing and damaged 22,670 hectares of crops.

Casualties were also reported in the southwestern Guizhou Province and the central Hunan Province after heavy rains this week.