(Adds no casualties, no tsunami warning)
JAKARTA, Oct 3 (Reuters) - A magnitude 5.7 earthquake struck
157 miles (250 km) south-southwest of Sibolga in Sumatra,
Indonesia, on Wednesday at a depth of 6 miles, the U.S.
Geological Survey said.
Residents on Nias island off Sumatra's western coast felt
minor tremors from the quake but no tsunami warning was issued
and there were no casualties, Indonesian authorities said.
(Reporting by Janeman Latula and Rieka Rahadiana; Writing by
Diana Abdallah; Editing by Matthew Bigg and Alison Williams)