Indonesia's disaster agency, which first reported the quake as 8.9 on the Richter scale (now brought down to 8.6) says metre-high waves have been detected off southern Sumatra and near Aceh.

We told you earlier, that eyewitnesses reported seeing 3.9-m high waves near Andaman and Nicobar islands.

India, Myanmar, Thailand, Singapore and Australia have called off the tsunami warning, but it stands for Indonesia till 6.30pm as a result of the 8.2 aftershocks.