Videos leaked to CNN by a Trekmania trekking trek in Thailand during the Rinjani earthquake show huge dust clouds covering the mountain slopes through landslides.
A rescue team of 184 people set out Monday morning to evacuate the wanderers including special military, police and medical teams.
So far, 14 people across the island have been declared dead after the earthquake, while anot their 162 were reported injured according to the Indonesian National Disaster Management Agency.
Pictures of the scene of the accident showed locals picking through the rubble of their collapsed houses, and the injured were hastily salvaged into makeshift emergency shelters.
More than 100 aftershocks
The 40,000 kilometer (25,000 mile) area extends from Japan and Indonesia on one side of the Pacific to California on the other.
According to Antara, there were more than 120 aftershocks in the countries Meteorology, Climatology and Geophysics Agency (BMKG) from Sunday afternoon
Jean Paul Volchaert, who owns the Puncak Hotel on Lombok, told CNN that the area "receives small earthquakes every month", but on Sunday the trembling occurred worst.
"We were still sleeping when we felt the earthquake, so we hurried out of our building, there was about 20 seconds of shaking, the water in the pool was making quite big waves," he said.
Wolchaert said that while there was little damage in his building or in his neighborhood, reports of severe damage came to the north of the island.
"After the first earthquake, we felt aftershocks for two hours, so we feared that more damage could be done."
Help for Lombok
President Widodo flew to Lombok on Monday morning to investigate the damage and relief efforts after the disaster.
"The President will meet with the people affected by the disaster handed the help," said government official Bey Machmudin on Monday morning opposite Antara.
Deputy Head of Mission Zamshari Sahaharan from the Malaysian Embassy in Jakarta said they encouraged all Malaysians who know tourists on Lombok to contact consular officials. The Malaysian government was ready to provide further assistance to its Indonesian counterparts as needed.
CNN's Mitchell McCluskey, Susannah Cullinane, Grace Ow and Cat Wang have contributed to this article.