The moment a volcano erupted in Papua New Guinea was captured on camera by a tourist on a boat trip.
Holidaymaker Phil McNamara filmed the plume of ash and smoke spew into the air from Mount Tavurvur. The incredible moment is followed by a thundering boom, which shakes the boat.
The powerful shockwave even blew clouds around the sky.
Phil, from Queensland, Australia, was on the tourist boat with his wife Linda on 29 August.
In the video, someone is heard saying: "Watch out for the shock, it's coming." A huge boom is then heard before the boat is shaken.
According to Nine News, thick ash from the eruption reached as high as 60,000ft above sea level.
There were no reports of injuries or deaths when the volcano on New Britain Island erupted.
The BBC reports that local residents were advised to stay indoors to avoid falling ash and Australia issued travel warnings against visiting the island.
In 1994, Mount Tavurvur destroyed the town of Rabaul when it erupted with nearby Mount Vulcan.
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