Jupiter's volcanically active moon is Io.it has more than 400 active volcanoes
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Jupiters Moon: Io
The moon known as "Io" is the innermost largest moon of Jupiter, and it is about the same size and density of Earth's moon. However, Io is the most volcanically active body known in the Solar System. Eruptions are so common, and so large, that the ENTIRE surface of the moon could be buried under 100 metres of material in only 1 million years.
Ganymede is Jupiter's largest moon. The top four of its largest moons are Europa, Io, Callisto, and Ganymede.
Saturn largest moon, the solar systems current second largest moon, larger than our own moon (only beaten by Jupiters Ganymede) is Titan.
The Moon is not a planet, it, as the name suggest, is a moon.It is not geologically active anymore.
"The Ring of Fire" is the nickname for the most seismically and volcanically active area on the planet. It is a horseshoe-shaped area in the Pacific Ocean basin where a large number of earthquakes and volcanic eruptions occur.
Zeus
Saturn.
Jupiters 4 moons are called Ganymede,Io,Callisto,and Europa.
Like many planets and moons, Ananke too comes from Greek mythology, as the primeval goddess of of inevitability, compulsion and necessity.
Zeus/Jupiter + Hera/Juno = <3