Nearly 1,500 people have been hospitalised with serious injuries and more than 156,000 have been displaced due to the extensive damage to thousands of homes.
The quake shattered homes and lives across this vast archipelago, displacing more than 84,000 people.
Buildings on both Lombok and in Denpasar have been damaged, including the airport after the quake struck just before midnight.
Pool water could be seen "sloshing from side to side", according to Nine News' Renae Henry.
The fire tornadoes are highly dangerous and form during fierce winds and dry conditions, as 1 NEWS' weatherman explains.