The shallow 6.9-magnitude quake killed at least 98 people and destroyed thousands of buildings in Lombok on Sunday, just days after another deadly tremor surged through the holiday island and killed 17.

Rescuers on Tuesday resumed the search for survivors, and to recover the bodies of victims in the rubble of houses, mosques and schools destroyed in the latest disaster.

More than 20,000 people are believed to have been made homeless on Lombok, with 236 severely injured, and authorities have appealed for more medical personnel and basic supplies.

Emergency crews were Tuesday working through the wreckage of a collapsed mosque in the northern village of Lading-Lading, where authorities fear a number of people are trapped.

At least one body has been recovered from the rubble of the mosque, which was reduced to a pile of concrete and metal bars, with its towering green dome folded in on itself.

Some 4,600 tourists have been evacuated from the Gili Islands, three tiny, coral-fringed tropical islands that lie off the northwest coast of Lombok and are popular with backpackers and divers.

Hundreds crowded onto its powder-white beaches on Monday, desperately awaiting transport off the normally paradise destination. Seven Indonesian holidaymakers died on the largest of the three, Gili Trawangan.