Volcanoes MN
Macdonald Seamont, Pacific Ocean
Manam, Papua New Guinea
Masaya, Nicaragua
Mauna Loa, Hawaii
Mayon, Philippines
Mt Mazama (Crater Lake), Oregon
Mount Merapi, Central Java (Indonesia)
Mono Lake Craters, USA
Mons Olympus, Mars
Nevado del Ruiz, Columbia
Ngauruhoe, New Zealand
Nyamuragira, Zaire
Nyiragongo, Zaire