Residents of some villages downstream were also evacuated as a precautionary measure, State Disaster Management Director Sudesh Kumar Mokhta said.
Rescue operations resumed this morning to trace the 15 others still missing in the landslide that occurred near Chaura village in the district on Wednesday.
The rescue operation is being carried out jointly by the National Disaster Response Force (NDRF), Indo-Tibetan Border Police (ITBP) and the members of local police and home guards.
Ten people were killed, 13 rescued and several others feared buried under debris after a landslide trapped a bus and other vehicles in Kinnaur.
Global warming is resulting in climate change which sometimes causes drought-like situations and sometimes heavy rains, Jal Shakti Minister Mahender Singh Thakur said.
The State Disaster Management Authority had informed that the estimated loss worth Rs 632 crores has occurred in the state due to rain, cloudburst and landslides.
As many as 187 people lost their lives and four persons have gone missing due to natural disasters and accidents in Himachal Pradesh from June 13.
The district administration has issued an advisory for people to avoid travelling to Spiti from Manali or Lahaul.