http://www.explorevolcanoes.com/Stromboli-volcano-italy.html
https://www.geolsoc.org.uk/ks3/gsl/education/resources/rockcycle/page3445.html
https://www.geolsoc.org.uk/ks3/gsl/education/resources/rockcycle/page3447.html
https://www.geolsoc.org.uk/ks3/gsl/education/resources/rockcycle/page3448.html
https://education.nationalgeographic.org/resource/earth-major-volcanoes/
There are approximately 1,550 potentially active volcanoes around the world.
https://volcano.si.edu/faq/index.cfm?question=countries
