An open list of 56 words by erinmckean.
- volcancellation
- mofette appears on 2 other lists
- pozzuolana
- puy
- rapillo appears on 1 other list
- solfatara appears on 6 other lists and has 3 comments
- canagua
- delabrated
- efflagration appears on 1 other list
- maccaluba
- Plinian
- salinelle
- volcanello
- Vesuvian
- pyroclastic flow appears on 4 other lists and has 2 comments
- calderic
- fumarole appears on 20 other lists and has 3 comments
- temblor appears on 11 other lists
- trass appears on 1 other list
- extravasate appears on 4 other lists and has 3 comments
- maar appears on 8 other lists and has 1 comment
- pumice appears on 12 other lists and has 2 comments
- aa appears on 45 other lists and has 9 comments
- andesite appears on 3 other lists
- jökulhlaup appears on 2 other lists and has 2 comments
- airfall
- blowdown appears on 2 other lists
- bombs appears on 2 other lists and has 1 comment
- caldera appears on 24 other lists
- dacite
- diatreme
- lahar appears on 14 other lists and has 1 comment
- ejecta appears on 6 other lists
- lapilli appears on 4 other lists and has 1 comment
- maars
- pahoehoe appears on 22 other lists
- pluton appears on 5 other lists
- scoria appears on 21 other lists and has 1 comment
- tuya appears on 6 other lists and has 9 comments
- tuff appears on 8 other lists
- fiamme appears on 2 other lists and has 1 comment
- collumnar basalt
- hornito appears on 1 other list
- citlaltepetl
- effloresce appears on 15 other lists
- ignigenous appears on 1 other list
- cotopaxi
- egmont
- purace
- flammivomous appears on 11 other lists and has 1 comment
- tholoid
- rhyolite appears on 1 other list
- parangaricutirimicuaro appears on 2 other lists and has 1 comment
- stratovolcano appears on 1 other list and has 1 comment
- ash appears on 64 other lists
- tephra appears on 6 other lists and has 1 comment

reesetee Great list! May 3, 2010
rogerb vesiculation Apr 20, 2010
john There's more info on many of these terms on this USGS glossary of volcano terminology. Apr 20, 2010