LANZHOU - The death toll in an earthquake that hit Northwest China's Gansu province has risen to 94, local authorities said Tuesday.

A 6.6-magnitude earthquake jolted the juncture area of Minxian and Zhangxian counties in the city of Dingxi on Monday morning, leaving 1,001 injured. One person remained missing as of Tuesday morning, said the Gansu provincial earthquake emergency response center.

An initial investigation showed that the quake had caused the collapse of 51,800 houses and severely damaged about 240,000 homes.

Local governments have relocated 226,700 people.