A magnitude 7.1 earthquake has hit 129 miles northwest of the Indonesian city of Saumlaki, according to the US Geological Survey.
The quake was reported at a depth of 96 miles (155 kilometers).
According to the Pacific Tsunami Warning Center, the earthquake was "located too deep inside the earth to generate a tsunami."
The quake hit shortly before 1700 GMT.
No casualties or damage have been reported.
Indonesia is located in the Pacific "Ring of Fire," where earthquakes and volcanic activity are common.