The steep walled depression surrounding a volcano vent is called the crater. In dormant volcanos, these may fill with water and become crater lakes.
It is called a crater
A shield volcano.
The "dust" from a volcano, more properly called ash, consists of tiny pieces of rock and glass blasted out when a volcano erupts explosively.
I believe the answer you may be looking for is either Lava or a Volcano
it is called a volcano
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.
Caldera.
its called a duiner
The central depression is called a crater, or more technically a "caldera."
You are possibly looking for Caldera.
Think it's a batholith. I always get this and a caldera confused.
The steep walled depression surrounding a volcano vent is called the crater. In dormant volcanos, these may fill with water and become crater lakes.
A volcanic crater is a generally circular shaped depression.
Any place the volcano opens up is called a vent since it allows for the release of built up heat and gas. The main summit of the volcano is usually called the crater but I'm guessing there is probably something more technical that a geologist would call it. Hopefully this helps.
Vent .
The opening of the volcano is called crater. A crater may be large in dimension or deep. This is where the magma erupts.
It is called a crater