JAKARTA - A shallow undersea quake with a magnitude of 6.2 jolted Sumatra island, Indonesia early Tuesday, but no immediate report of a tsunami warning and damages or fatality were issued, officials said.

The quake struck at 03:12 am Jakarta time (2012 GMT Monday) with its epicenter at 140 km southwest Krui town of Lampung Province, and hitting a depth of 10 km under the sea bed, an official with the Meteorology and Geophysics Agency told Xinhua.

The intensity of the quake was felt at 2 MMI (Modified Mercalli Intensity) in Krui town of the province and 2 to 3 MMI in Kephiang town of the nearby Bengkulu Province, the official said.

Local officials of disaster management and mitigation agency in Lampung and Bengkulu provinces confirmed that no injures were reported or buildings damaged.

"No serious impact of the quake just now. No damages and no one injured are reported so far,"a senior official of disaster management and mitigation agency in Lampung known by the name of Ridwan told Xinhua on the phone.  

The U.S.Geological Survey (USGS) reported on its website that the quake was measured at 6.0 magnitude while China's Hong Kong Observatory reported a 6.2 magnitude.

Indonesia is prone to earthquake as it lies on the "Pacific Ring of Fire," where two continental plates meet and frequently cause seismic and volcanic movements. Meanwhile, Indonesia has 129 active volcanoes.