adv. by or like volcanoes; "volcanically created landscape"
The Collaborative International Dictionary
Volcanically \Vol*can"ic*al*ly\, adv. Like a volcano.
adv. By means of a volcano.
Usage examples of "volcanically".
The planet periodically became volcanically active, and the volcanoes spewed a fine mist of lava all over the landscape, airbrushing the glassy surface on a gigantic scale with vividly colored trace elements.