Bulkan

An bulkan amo an usa nga garawasan ha bawbaw han usa ka planeta nga nagpapagawas han nagkakaladkad, tunaw nga bato, abo, ngan aso tikang ha ubos han tuna.

Padugang nga barasahon

• Cas, R.A.F. and J.V. Wright, 1987. Volcanic Successions. Unwin Hyman Inc. 528p. ISBN 0-04-552022-4
• Macdonald, Gordon and Agatin T. Abbott. (1970). Volcanoes in the Sea. University of Hawaii Press, Honolulu. 441 p.
• Marti, Joan and Ernst, Gerald. (2005). Volcanoes and the Environment. Cambridge University Press. ISBN 0-521-59254-2. 
• Ollier, Cliff. (1988). Volcanoes. Basil Blackwell, Oxford, UK, ISBN 0-631-15664-X (hardback), ISBN 0-631-15977-0 (paperback).
• Sigurðsson, Haraldur, ed. (1999). Encyclopedia of Volcanoes. Academic Press. ISBN 0-12-643140-X. This is a reference aimed at geologists, but many articles are accessible to non-professionals.

Mga sumpay ha gawas

Volcanoes pagtugway hit paglakat tikang ha Wikivoyage

• Volcanoes ngada ha Open Directory Project
• Volcano, U.S. Federal Emergency Management Agency FEMA
• Volcano World
• Volcanos (Worsley School)