Video shows lava shot over 1,000 feet into the air from Hawaii's Kilauea volcano on Sunday. The impressive eruption was accompanied by a "volnado," or a tornado-like swirl of dust and ash caused by the contrast between the heated air near the lava and the cooler ambient air. | CNN

Video shows lava shot over 1,000 feet into the air from Hawaii's Kilauea volcano on Sunday. The impressive eruption was accompanied by a "volnado," or a tornado-like swirl of dust and ash caused by the contrast between the heated air near the lava and the cooler ambient air. | CNN