A powerful earthquake measuring 6.0 magnitude strikes off Ecuador's disaster-stricken coast on Thursday, as survivors of an earlier deadly quake that killed 587 people clamor for food, water and medicine in parts of the disaster zone.

Five people died of heart attacks in Bangladesh and over 100 were injured in panic-related incidents when a 6.7 magnitude earthquake hit Manipur of India, some 353 kilometres away from Dhaka.

A powerful earthquake struck northeast India and Bangladesh yesterday, killing at least 11 people and injuring nearly 200, with efforts to reach remote areas where people may be trapped hampered by severed power lines and telecommunication links.