There are five bands by this name:

1: Volcano is a Japanaese Thrash metal band. Current line up: Vocals - Zetto, Guitars - SHE-JA (ex-Gargoyle), Bass - Bin, Drums - Kenken. Released 2 full albums: Violent (2000) & Davi (2001).

2: Volcano is a punk/country supergroup band, formed by Meat Puppets frontman Curt Kirkwood, Sublime drummer Bud Gaugh, and session musicians Mike Stand and Jon Poutney. They have released only one album (with a cheap, hand-drawn inkpen front cover drawn by Curt), which quickly sold out at Skunk records, followed by only eight concerts in support of the release. Currently, its only available form is a downloadably zip file on an mp3 site. The band split up after the album was released.

3: Volcano is a noise rock band from chicago, there are three members, Mark Cartwright, Sam Scranton and Aaron With.

4) Volcano is also a Jamaican reggae act.

5) A Brazilian Thrashmetal band