Jakarta: A shallow 5.5-magnitude quake struck western Indonesian early on Saturday. No tsunami warning was issued the US Geological Survey said. There were no immediate reports of damage.

The quake struck at 02:24 am (00: 54 IST) off the Mentawai islands at a depth of just one kilometre, 209 kilometres west of Bengkulu on Sumatra island, the USGS said.

(JPN/Agencies)