composite volcano in guatemala
DESCRIPTION
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. - PowerPoint PPT PresentationTRANSCRIPT
composite composite volcano in Guatemala.volcano in Guatemala.
Volcanic island (South sandwich) Volcanic island (South sandwich) composite volcanocomposite volcano
““collapse caldera” collapse caldera” (Poas Volcan, Costa Rica)(Poas Volcan, Costa Rica)
Montserrate with a pyroclastic Montserrate with a pyroclastic cloudcloud
Montserrat volcano, Caribbean and Montserrat volcano, Caribbean and pyroclastic cloudspyroclastic clouds
Crater Lake (caldera)Crater Lake (caldera)Wizard Island (cinder cone)Wizard Island (cinder cone)
Merapi volcano May 14, 2006 Merapi volcano May 14, 2006 IndonesiaIndonesia
Pyroclastic cloud on Mt. Merapi Pyroclastic cloud on Mt. Merapi May 14,2006May 14,2006
A pyroclastic flow of Mt. PinatuboA pyroclastic flow of Mt. Pinatubochasing a truck.chasing a truck.
Lava dome (Mt. Merapi) and lava flow Lava dome (Mt. Merapi) and lava flow 5-14-20065-14-2006
Irazu (composite volcano) Costa RicaIrazu (composite volcano) Costa Rica
Irazu volcano, (composite volcano)Irazu volcano, (composite volcano)alternating lava layers and acidicalternating lava layers and acidic
water in the craterwater in the crater
Cinder coneCinder cone volcano volcano
700 foot Cinder cone volcano 700 foot Cinder cone volcano (northern California)(northern California)
Students climbing a cinder cone volcanoStudents climbing a cinder cone volcano
Mount St.Helens before 1980Mount St.Helens before 1980
North side (Mt. St. Helens) Dec.2005North side (Mt. St. Helens) Dec.2005
Students climbing Mt. St. HelensStudents climbing Mt. St. Helens
summit of Mt. St. Helens summit of Mt. St. Helens (composite volcano)(composite volcano)
Volcanic ash on the summit of Mt. St HelensVolcanic ash on the summit of Mt. St Helens
Mt. St. Helens building domeMt. St. Helens building dome
Lava dome inside the caldera of Lava dome inside the caldera of Mount St. Helen (2004)Mount St. Helen (2004)
Shield volcano in Iceland (1974)Shield volcano in Iceland (1974)
Mt. St. Helens (2006)Mt. St. Helens (2006)
alternating layers of pasty and fluid lavaalternating layers of pasty and fluid lava(Mt. St. Helens)(Mt. St. Helens)
Rising rock mass in the crater of Rising rock mass in the crater of Mt.St. Helens (April 2006)Mt.St. Helens (April 2006)
Crater and active vent of Ertaale Crater and active vent of Ertaale volcano (Ethiopia)volcano (Ethiopia)
““lava coil” in pahoehoe lavalava coil” in pahoehoe lava
pasty ‘aa’ lava flowpasty ‘aa’ lava flow
Lava blister caused by escaping gasesLava blister caused by escaping gases
Yellow sulfur and white acidsYellow sulfur and white acids
Mount PinatuboMount Pinatubo
(Philippines)(Philippines)
ejectsejects
5,000 tons of 5,000 tons of
sulfur dioxidesulfur dioxide
each dayeach day
Lava fountains in the rift of Kilauea Lava fountains in the rift of Kilauea (white lava 1150 degrees C. and the (white lava 1150 degrees C. and the
yellow lava 1090 degrees C.)yellow lava 1090 degrees C.)
volcanic lightningvolcanic lightning
Son of Krakatoa (Son of Krakatoa (cinder cone)cinder cone)east side of the Indian Oceaneast side of the Indian Ocean
TsunamiTsunami similar to the waves similar to the waves produced by Krakatoaproduced by Krakatoa
Mount Etna a composite volcano Mount Etna a composite volcano (Sicily)(Sicily)
Views of Mount Etna’s eruptionViews of Mount Etna’s eruption
Aniakchak Aniakchak explosion caldera explosion caldera (Alaska)(Alaska)
Pahoehoe lava Pahoehoe lava covering a national covering a national park road in Hawaii.park road in Hawaii.
“ “aa” aa” lavalava
pahoehoe pahoehoe lava (Hawaii)lava (Hawaii)
pillow lava (Hawaii)pillow lava (Hawaii)
Mount Mageik (Alaska) Mount Mageik (Alaska) compositecomposite volcanovolcano
LaharLahar produced by the Santiaquito produced by the Santiaquito volcano (Guatemala)volcano (Guatemala)
shield shield volcanovolcano
Pyroclastic debris Pyroclastic debris
Pahoehoe lava (Hawaii)Pahoehoe lava (Hawaii)
Volcanic ashVolcanic ash
Volcanic ventVolcanic vent
fumarole fumarole covered with sulfurcovered with sulfur
House consumed by lava House consumed by lava (Hawaii). (Hawaii).
Portable housePortable house for volcanic regionsfor volcanic regions
Pyroclastic cloud Pyroclastic cloud of ash, cinder and of ash, cinder and burning gases moving at 50 mphburning gases moving at 50 mph
blocks of pumice of a blocks of pumice of a pyroclastic flowpyroclastic flow
Lava surrounds a house (Hawaii)Lava surrounds a house (Hawaii)
Augustine (composite volcano) AlaskaAugustine (composite volcano) Alaska
lava fountain lava fountain and and pyroclastic debrispyroclastic debris from Kilauea volcanofrom Kilauea volcano
Intermediate color of Intermediate color of andesite andesite lava lava