that would be a volcano
You are asking about the mouth.
that would be a volcano
vent
Lava.
lava
It is called Lava.
Magma is called lava once it erupts above ground. Lava is molten rock that flows from a volcano during an eruption.
Yes
lava
Lava that erupts underwater and takes the form of round lumps is called pillow lava
moon liquid
This is known as lava.