A tsunami warning has been issued following a 7.5 magnitude earthquake near the Pacific island of Tonga. The government has warned residents to seek high ground.

After the first aid flights reached Tonga with more en route, the remote Pacific island nation, home to about 100,000 people, grapples with the aftermath of an underwater volcanic eruption and tsunami.

Aid agencies fear the Pacific island nation of Tonga may run out of drinking water because sources were contaminated after the recent volcanic eruption. New Zealand and Australia are shipping supplies to the area but they will not arrive until Friday.

A massive volcanic eruption in Tonga that triggered tsunami waves around the Pacific caused significant damage to the island nation's capital and smothered it in dust. Yet some internet users shared false images of the natural catastrophe. Why? We take a look at why fake footage frequently circulates on social media in the aftermath of extreme weather events and other catastrophes.

Communication with the Pacific island is still spotty after a massive volcanic eruption spewed ash into the atmosphere and triggered a tsunami that flooded coastlines from Japan to the United States