At breaks in the earths crust; like the tectonic plates; an earthquake can trigger a volcano, and depending on what kind of volcano it is, it can form a mountain.
Mountains Beyond Mountains was created in 2004.
The Maid of the Mountains was created in 1917.
Thunder in the Mountains was created in 1981.
The Great Mountains was created in 1933.
Daughter of the Mountains was created in 1948.
Prisoner of the Mountains was created in 1996.
Hoggar Mountains was created in 1987.
When I Was Young in the Mountains was created in 1982.
When the Mountains Tremble was created in 1983.
Mountains O'Mourne was created in 1938.
Thundering Mountains was created in 1963.
Sengiley mountains was created in 2001.