The report says mainly the coastal areas of Sri Lanka, India, Japan, Pakistan, China, Afghanistan, Bangladesh, Indonesia, Nepal, Thailand and the Gulf will be affected by the quake.
However, senior Prof. C.B. Dissanayake rejects the warning, saying that a prediction of that nature within a short period is unacceptable.
The former director of the Institute of Fundamental Studies in Kandy says earthquakes could be predicted for a two to three year ahead.
Noting that these 11 countries are located in different palates, he says it is not possible that all of them would have an earthquake at the same time.