My volcanic collection.
The ones labeled with the ⚠ symbol are Decade Volcanoes.
Italy
Etna ⚠
Stromboli 
Vesuvio 
Vulcano
Solfatara
Indonesia
Krakatoa
Merapi
Bromo
Costa Rica
Arenal
Miravalles
Greece
Thera, Santorini
Spain
Teide, Tenerife
Vulcania