The tsunami warning issued in lieu of the earthquakes and after-shocks that occurred off the Sumatra Island has been lifted.
Accordingly Duty Meteorologist D A Jayasinghe stated that it is unlikely that a tsunami could occur in Sri Lanka.
A magnitude-8.9 under-sea earthquake struck off the western coast of the Indonesian island of Sumatra, triggering a tsunami warning, the US Geological Survey reported.
The earthquake struck at a depth of 33km, at a location about 495km southwest of Banda Aceh on the island of Sumatra.
An Indian Ocean-wide tsunami warning was put in place immediately following the quake, the Pacific Tsunami Warning Center said.
Meanwhile a tsunami watch issued by the pacific tsunami warning centre included Sri Lanka.
They state that the residents living in the areas of Dondra, Trincomalee, Colombo & Jaffna should remain cautious.
Other countries for which a tsunami warning has been issued include Indonesia, India, Australia, Thailand and Maldives.