the magma cools and hardens and then it becomes the surface of around the volcano like a rock land
A volcanic vent.
The bowl shaped depression that forms around the central vent of a volcano is called a crater. Craters are small, usually less than one kilometer in diameter.
A bowl-shaped area that forms around a volcano's central vent is called a crater.
No, it forms a volcano.
A vent
Lava is spewed out of a vent like a cannonball, forming a cone-shaped volcano.
It forms by volcanic activity in the vent of a volcano.
A vent
A vent
Vent .
A crater
If the volcano is active, there may be vents around the volcano as well as on top. A vent is where volcanic material (lava, steam, ash) is being released.