Mount Etna, one of the most active volcanoes in the world, is known for this phenomenon. Here is how it is formed. Also, do the rings mean the volcano is about to erupt? Read on.
They aren't quite prepared to put their names to a categorical statement that eruptions bear some relationship with global warming, but if you're sufficiently gullible to heed the hint and suggestion that such might be the case, well scare-mongering careerists won't expend too much energy setting you straight
Whakaari White Island response review lists 25 lessons to be learned nzherald.co.nz - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nzherald.co.nz Daily Mail and Mail on Sunday newspapers.
American couple Rick and Ivy Reed were among 25 people who survived the Whakaari/White Island tragedy. A document from their civil claim for damages has.