The latest quake, which triggered a brief tsunami warning, also shook neighboring Bali island.
The quake comes just days after a 6.4 struck the same area and killed 17 people and injured more than 160 after several buildings collapsed.
The natural disaster, which registered 7.0 on the Richter scale and struck at a depth of 15km (9.3 miles), has now caused a tsunami warning to be issued. There were no immediate reports of casualties, the news agency Reuters reported. She had been in Bali on vacation with husband John Legend, 2-year-old Luna and 2-month-old Miles for about a week, when the quakes struck. Its epicentre was about two kilometers east-southeast of Loloan.
A tsunami warning was lifted after waves just 15 centimeters (6 inches) high were recorded in three villages, said the head of Indonesia's Meteorology, Climatology and Geophysics Agency, Dwikorita Karnawati.More news: Iran imports plane parts before United States sanctions kick in
It was felt in Bali and the nearby island of Lombok, which was hit by an quake a week ago that killed more than a dozen people.
Residents in Lombok's main city Mataram described a strong jolt that sent people scrambling out of buildings.
A policeman examines debris that fell and crushed parked motorbikes following a strong natural disaster on nearby Lombok island, at a shopping centre in Kuta, Bali, Indonesia August 5, 2018.
The Indonesian archipelago, where Lombok and Bali are located, is part of the Pacific Ring of Fire, an area of intense seismic and volcanic activity.