1. (verb) become active and spew forth lava and rocks

• belch
• erupt

1. (verb) force out or cause to escape from a proper vessel or channel

• eject
• force out
• squeeze out
• squirt

2. (verb) become active and spew forth lava and rocks

• burst
• explode

3. (verb) geology: cause molten material, such as lava, to pour forth

• exudate
• exude
• ooze
• ooze out
• transude

1. (verb) force out or cause to escape from a proper vessel or channel

• extravasation
• extravasation

2. (verb) become active and spew forth lava and rocks

• eructation
• eructation
• eruption
• eruption
• extravasation
• extravasation
• eruption
• volcanic eruption

3. (verb) geology: cause molten material, such as lava, to pour forth

• eructation
• eruption
• extravasation