JAKARTA: Indonesia issued a tsunami warning Wednesday after a massive and shallow earthquake struck off the west coast of Sumatra at 12.49pm GMT (8.49pm Malaysian Time), an area hit badly by the 2004 Indian Ocean quake and tsunami.
The warning was issued for west Sumatra, north Sumatra and Acheh after the 7.9-magnitude quake, the National Meteorolgical Agency said.
The epicentre was 808km south-west of Padang, the US Geological Survey said. It was 10km deep.
There were no immediate reports of damage or casualties but the shallower a quake, the more likely it is to cause damage.
The USGS originally put the magnitude at 8.2, and then 8.1, before lowering it to 7.9.
Indonesia, especially Acheh, was badly hit by the Indian Ocean tsunami in 2004.
The country straddles the so-called "Pacific Ring of Fire", a highly seismically active zone, where different plates on the earth's crust meet and create a large number of earthquakes and volcanoes. - Reuters
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