| On volcanically active planets like Venus, the surface roils and churns so quickly that solid crust does not have a chance to form. |
| Other planets and moons in the solar system have been volcanically active in the distant past. |
| This area is volcanically active and is a site for geothermal energy production. |
| Sitting astride the mid-ocean ridge in the North Atlantic Ocean, Iceland is volcanically one of the most dynamic parts of the Earth's surface. |
| In those days astronomers had no problem with the idea of a volcanically active Moon. |
| Io is closest to Jupiter and is the most volcanically active body in the solar system with numerous vents ejecting molten sulphur. |
