Bruce Presgrave of the USGS ( US Geological Survey) later told the BBC that the nature of this quake made it less likely a tsunami would be generated, as the earth had moved horizontally, rather than vertically, therefore had not displaced large volumes of water.

'We can't rule out the possibility, but horizontal motion is less likely to produce a destructive tsunami,' he said.

This is not likely to be devastating according to following expert opinion.

I have no doubt that if I didn't have the Australian government's support I would have been killed just like my brother and hundreds of other political activists and journalists have been killed,' Mr Gunaratnam said at his Dural home at about 2.30pm.

The Sri Lankan authorities never arrested that person,' the Sri Lankan High Commissioner in Canberra, Admiral Thisara Samarasinghe, told Fairfax media on Tuesday.

Disputing that contention, Mr Gunaratnam said: 'I can confirm I was abducted by the Sri Lankan government forces, blindfolded and tortured. This includes, I am embarrassed to say, sexual torture

He called on the international community to acknowledge what he says are ongoing human rights violations in Sri Lanka being commited by the govenrment of Mahinda Rajapaksa.

'If everyone ignores the human rights violations in Sri Lanka then the Rajapaksa regime will continue the dictatorial regime abducting and killing people who speak out,' he said.

'The free-thinking world should take a stance against (these) gross human rights violations.'

Might be JVP, who knows? Govt.
Cabinet spokesman Minister Lakshman Yapa Abeywardena elaborately explained the factionalism of the JVP and insinuated that the factionalism might be a cause for the abduction. I don t know who did it, but I can tell you for sure that it wasn t the government All I have to say about who is responsible is what Dimuthu Artygala told the media

In Sr Lanka, water level has increased but no tsunami.