The opening in the center of a volcano is a crater.
The opening of a volcano is called the caldera.
The opening of a volcano is called the vent.The opening of a volcano is called a vent.
the mouth of the volcano, or caldera.
volcano
The opening of a volcano is known as a crater. There are also vents found in volcanic mountains from which lava flows.
A cinder cone volcano
a crater is the opening at the top of a volcano. Vents are the openings that sometimes come at the sides of the volcano because there may be alot of magma in the volcano and it needs to come out somehow. so it sort of pressurizes the side of the volcano until it breaks through to make an opening. the opening is called a vent.
Vent .
hole(s) in the side of a volcano leading to the center spout where lave and heat can escape
It is called the crater
A volcanic vent. Boom
It is the volcano.