At least 50 families were on Sunday affected due to sinking of land following rain in Hunthar locality here, Disaster Management and Rehabilitation Director C Lalpeksanga said.
Many displaced families were living with relatives, while temporary accommodations were made for others in government buildings, Lalpeksanga said.
Sinking of land occurred after downpour in the city for several days which also severely affected the road linking the lone Lengpui Airport, he said.
Experts from the Geological Survey of India (GSI) in Shillong would be arriving in Aizawl on Monday to conduct a detailed study of the area, he said.
In another incident, two houses collapsed in a landslide at Kepran n Aizawl district on Friday.