A 5.9-magnitude quake jolted Bengkulu province of Sumatra Island in Indonesia on Sunday, damaged at least 25 houses, Edward Junaidi, senior official of local disaster management agency told Xinhua on Monday.

The assessment of the impact of the quake is still underway, he told Xinhua by phone from the province.

Some houses have suffered from serious damages and some others, including a university building and the airport, only have got minor damages, Junaidi said.

The operation of the airport was not affected, he added.

No casualties have been reported, he said.

The Sunday's quake was not potential for tsunami, according to the meteorology and geophysics agency.

The quake struck at 9:14 Jakarta time (0214GMT), and its epicenter was 61 km southwest of the city of Bengkulu, it said.

It had a depth of 16 km under the sea, it said.

The United States Geological Survey (USGS) put the magnitude at 5.7 with a depth of 55.3 km under sea bed.

Indonesia sits on the so-called Pacific "Ring of Fire" where several tectonic plates meet, making it vulnerable to frequent earthquakes.

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