volcanic smoke; eruption smoke; smoke plume
Primarily used for smoke emitted during a volcanic eruption, but can also refer to smoke from other large-scale events like explosions or fires.
The volcanic smoke could be seen from far away.
A smoke plume rose up and the sky darkened.
You can see smoke rising from the summit.
The volcano suddenly erupted, sending up a plume of smoke.
The photo captured a plume of smoke rising up from the distant mountain.