Humanitarian groups say that they are focusing their efforts on reaching these areas which have so far been impassable because of collapsed buildings, roads and other destruction related to Sunday's quake.
Dozens of villagers in Tanjung district prayed in a field Friday in front of their former mosque and made plans for a replacement. "At the most we go in quickly to grab something and then run back out".
The temblor also stranded tourists on Lombok and the popular Giili Islands to its west, famous for its white sand beaches and clear waters.
Following the killer quake on the island of Lombok on Sunday - which has so far claimed at least 142 lives and injured more than 200 - users took to the social network to share their messages of condolence and support.
"A lot of people are displaced, and many have migrated to the hilly and mountainous areas because of fear of a tsunami", Red Cross representative Husni Husni said. A minority on the island practice Hinduism, a legacy of its historical domination by Hindu Balinese kingdoms.
But Thursday's quake destroyed his house, which completely collapsed, he said.
The fresh seismic event followed the 6.9 magnitude quake on Sunday that flattened homes and stranded thousands of people on Lombok's northern coast and the nearby Gili Islands. Doctors at another Lombok hospital had to amputate it.
"We still need long-term aid, even though we have already received help from various (regional) governments", national disaster agency spokesman Sutopo Purwo Nugroho said.
He also says they're continuing to look for people with untreated injuries.
Indonesia is prone to earthquakes because of its location on the 'Ring of Fire, ' an arc of volcanoes and fault lines in the Pacific Basin. An estimated 230,000 people died after a magnitude 9.1 quake triggered a tsunami off the coast of Sumatra in December 2004.
A man inspects the damage of his house destroyed by an quake in North Lombok, Indonesia, Thursday.
Lombok was hit by another quake on Thursday, the third in a little over a week, causing panic, injuries and damage to buildings.
Relief teams, deployed after Sunday's natural disaster, have not yet managed to reach some sites on the island near the epicenter due to the access difficulties, Security Minister Wiranto said, quoted by The Jakarta Post.
A man walks past destroyed buildings in North Lombok, Indonesia, Friday, Aug. 10, 2018.
Meanwhile, the devastating natural disaster on Sunday was "exceptionally destructive" and wiped out entire villages in the worst-hit regions, relief agencies warned as the death toll jumped to 347 according to state-run news agency Antara.