Sudiyono, who uses one name, said, "Information that we have from survivors is more than 500 people are trapped on the mountain and gathered near the volcano lake Segara Anakan".
Helicopters and search teams had been deployed to scour the mountain's slopes and drop food supplies for those stranded on it.
The remaining 500 or so hikers were able to start climbing down on Monday after guides discovered an alternate route that was unaffected by the landslides.
Hundreds of other hikers managed to get off the mountain on Sunday, according to officials.
Hundreds of tourists are making their way off 12,224ft Mount Rinjani after the 6.4-magnitude tremor on Sunday.
The rescuers were also working on evacuating another six climbers and one dead body early Tuesday.
Russia names Steven Seagal special envoy to U.S. The position is not paid and will be similar to the United Nations' goodwill ambassador positions, the statement said. Putin of Russian Federation meeting with Steven Seagal at the Kremlin in 2016.
The International Federation for the Red Cross said 94 people sustained severe injuries.
Indonesian President Joko Widodo (R) stands beside Nusa Tenggara Barat Governor TGB Zainul Majdi while talking to natural disaster victims inside a makeshift tent at Madayin village in Lombok Timur, Indonesia, July 30, 2018.
A total of 5,141 people are staying in temporary shelters and in need of clean water, according to officials.
Hiking at Mount Rinjani had been suspended due to landslides but the Bali airport was operating normally, the U.S. Embassy in Jakarta tweeted.
There have been more than 270 aftershocks after the initial powerful natural disaster.
The natural disaster was centred on the northern part of Lombok but was also felt on the resort island of Bali to the west.
Indonesia is located in the Ring of Fire, an area in the basin of the Pacific Ocean, which is vulnerable to frequent earthquakes and volcanic eruptions.