An earthquake measuring 6.1 on the Richter scale hit Lampung province of Sumatra Island on Monday, the meteorology and geophysics agency said here.
No immediate casualties were reported as of now, an official of the agency said.
The epicentre of the quake was determined at 23 km southwest Tanggamus town, Xinhua news agency quoted the official as saying.
Indonesia is prone to quake as it lies on a vulnerable quake-hit zone so called "the Pacific Ring of Fire".
--IANS
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