Massive waves of lava on Jupiterâs Moon Io seen in exceptionally detailed map of lava lake Massive waves of lava on Jupiterâs Moon Io seen in exceptionally detailed map of lava lake Researchers At University Of California (UC) Berkeley Took Advantage Of A Rare Orbital Alignment Between Io And Europa, The Two Of Jupiterâs Moons And Obtained An Exceptionally Detailed Map Of The Largest Lava Lake On Lo. News Nation Bureau | Edited By : Bindiya Bhatt | Updated on: 12 May 2017, 04:28:08 PM Los Angeles: Two giant waves of lava have been detected by the scientists on Jupiter’s Volcanic Moon lo, which is solar system’s most volcanically active celestial body. The huge waves were seen sweeping across the largest lava lake on lo.