An earthquake measuring 5.9 on the Richter Scale rocked Indonesia's Maluku province on Friday, the Meteorology and Geophysics Agency said here.
The quake occurred at 6.11 am (local time) and had its epicentre 242 km northwest of Maluku Tenggara Barat with a depth of 117 km under sea bed, an official told Xinhua.
No casualty was reported.
Indonesia is prone to quake as it lies on the vulnerable "Pacific Ring of Fire."