Io

Thanks to tidal heating, Io experiences extreme geologic activity, making it the driest and most volcanically active object in the Sol system.

References

Collapse Locations in the Sol system
	Stars	Sol (star) •
	Planets	Earth • Jupiter • Mars • Mercury (planet) • Neptune • Pluto • Saturn • Uranus • Venus •
	Moons	Ariel • Callisto • Charon (moon) • Deimos • Dione • Europa • Ganymede • Iapetus • Io • Luna • Miranda • Oberon (moon) • Phobos • Rhea • Tethys • Titan • Titania • Umbriel •
	Space stations	IAS Hammett • IMS Bolliver • INS Dunleavy • TDD Kesner •
	Asteroids	Herschel Belt • Jovian Rings • Kuiper Belt • Rings of Neptune • Rings of Saturn • Rings of Uranus •
	Jump Points	Sol - Croshaw • Sol - Davien •
	Landing zones	Moscow • New York • Port Renatus • Shanghai •