With Russia on Covid-19 lockdown, 77 houses were burned down in Novosibirsk and Kemerovo regions.
Forest fire may have caused the blasts which led to 400 people being evacuated.
A family was rescued by helicopter after chopping birch trees and using them to spell 'SOS' when they were ringed by blazing wildfires.
Greenpeace claim authorities underestimate the scale of destruction, amid warnings of lack of resources to fight fires.
Elsewhere in Russia’s coldest region desperate authorities spike clouds to induce rain and tame wildfires.
With smoke having blown as far as the US and Canada, experts now say 'the trend is positive' in controlling fires raging from the Urals to the Pacific.
Premier Dmitry Medvedev warned it will take two to three weeks to extinguish the fires raging across Siberia.
People evacuated after thunderstorms-with-no-rain ignite foliage and forests.
Fires have wreaked havoc this summer with Yakutia and the Yamalo-Nenets autonomous the latest to be hard hit.
Hi-tech technologies have been used to track smoke plumes from forest fires burning across eastern Russia as they cross the Pacific.