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composite volcano in Guatemala.

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composite volcano in Guatemala. Volcanic island (South sandwich) composite volcano. “collapse caldera” (Poas Volcan, Costa Rica). Montserrate with a pyroclastic cloud. Montserrat volcano, Caribbean and pyroclastic clouds.

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composite volcano in Guatemala.

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  1. composite volcano in Guatemala.

  2. Volcanic island (South sandwich) composite volcano

  3. “collapse caldera” (Poas Volcan, Costa Rica)

  4. Montserrate with a pyroclastic cloud

  5. Montserrat volcano, Caribbean and pyroclastic clouds

  6. Crater Lake (caldera)Wizard Island (cinder cone)

  7. Merapi volcano May 14, 2006 Indonesia

  8. Pyroclastic cloud on Mt. Merapi May 14,2006

  9. A pyroclastic flow of Mt. Pinatubochasing a truck.

  10. Lava dome (Mt. Merapi) and lava flow 5-14-2006

  11. Irazu (composite volcano) Costa Rica

  12. Irazu volcano, (composite volcano)alternating lava layers and acidicwater in the crater

  13. Cinder cone volcano

  14. 700 foot Cinder cone volcano (northern California)

  15. Students climbing a cinder cone volcano

  16. Mount St.Helens before 1980

  17. North side (Mt. St. Helens) Dec.2005

  18. Students climbing Mt. St. Helens

  19. summit of Mt. St. Helens (composite volcano)

  20. Volcanic ash on the summit of Mt. St Helens

  21. Mt. St. Helens building dome

  22. Lava dome inside the caldera of Mount St. Helen (2004)

  23. Shield volcano in Iceland (1974)

  24. Mt. St. Helens (2006)

  25. alternating layers of pasty and fluid lava(Mt. St. Helens)

  26. Rising rock mass in the crater of Mt.St. Helens (April 2006)

  27. Crater and active vent of Ertaale volcano (Ethiopia)

  28. “lava coil” in pahoehoe lava

  29. pasty ‘aa’ lava flow

  30. Lava blister caused by escaping gases

  31. Yellow sulfur and white acids

  32. Mount Pinatubo (Philippines) ejects 5,000 tons of sulfur dioxide each day

  33. Lava fountains in the rift of Kilauea (white lava 1150 degrees C. and the yellow lava 1090 degrees C.)

  34. volcanic lightning

  35. Son of Krakatoa (cinder cone)east side of the Indian Ocean

  36. Tsunami similar to the waves produced by Krakatoa

  37. Mount Etna a composite volcano (Sicily)

  38. Views of Mount Etna’s eruption

  39. Aniakchak explosion caldera (Alaska)

  40. Pahoehoe lava covering a national park road in Hawaii.

  41. “aa” lava

  42. pahoehoe lava (Hawaii)

  43. pillow lava (Hawaii)

  44. Mount Mageik (Alaska) composite volcano

  45. Lahar produced by the Santiaquito volcano (Guatemala)

  46. shield volcano

  47. Pyroclastic debris

  48. Pahoehoe lava (Hawaii)

  49. Volcanic ash

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