The quake was at a depth of 10 km (6.21 miles) and has no potential to trigger a tsunami, BMKG said. There were no immediate reports of damage or casualties.
Earlier on Monday, two earthquake of 5.2 magnitude and 5.9 magnitude had also struck near the same location.
Indonesia straddles the so-called "Pacific Ring of Fire", where different tectonic plates of the Earth's crust meet and create frequent seismic activity.
(Reporting by Ananda Teresia; Editing by Kanupriya Kapoor)
