volcanic

US /vɑːlˈkæn.ɪk/
UK /vɑːlˈkæn.ɪk/
"volcanic" picture
1.

relating to or produced by a volcano or volcanoes

:
The island is of volcanic origin.
We observed the volcanic activity from a safe distance.
2.

characterized by sudden, violent, or explosive outbursts of emotion

:
He has a volcanic temper.
The debate was marked by volcanic outbursts from both sides.