The abandoned islands of Tonga |

January 15 marks two years since a volcanic explosion turned the skies above Tonga black and triggered a destructive tsunami. The power of the eruption stunned scientists across the world and as a result, some of Tonga's residents are still living in tents while some islands might be abandoned forever. The ABC's Tonga reporter Marian Kupu has the story. Subscribe: ABC News In-depth takes you deeper on the big stories, with long-form journalism from Four Corners, Foreign Correspondent, Australian Story, Planet America and more, and explainers from ABC News Video Lab. Watch more ABC News content ad-free on ABC iview: For more from ABC News, click here: Get breaking news and livestreams from our ABC News channel: Like ABC News on Facebook: Follow ABC News on Instagram: Follow ABC News on Twitter: Note: In most cases, our captions are auto-generated. #ABCNewsIndepth #ABCNewsAustralia