the opening where the lava flows is call a vent
flows from an opening
a valcano
a valcano
Vent
lava
lava
A volcano.
A fissure
Crater or vent. Sometimes lava also comes from fissures as well. However crater is the most commonly used term.
The opening of a volcano is known as a crater. There are also vents found in volcanic mountains from which lava flows.
A lava flow is where lava flows down the side of a volcano.
lava.