Composite Cones and Stratovolcanoes
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Images of Composite Cones and Stratovolcanoes
Mt. Shasta
Stratovolcanoes, or composite cones, are dramatic! Composed primarily of andesitic lavas and pyroclastic flows, stratovolcanoes are typically taller and steeper than shields. They form near convergent boundaries or subduction zones, either along island arcs like the Japanese or Aleutian Islands, or in continental magmatic arcs like the Cascades or the Andes. A few are anomalous, such as the San Francisco Peaks in Arizona. The hazards of living near such volcanoes are many: ash flows, ash falls, mudflows, toxic gases, and lava flows.  Here is a collection of the famous cones of the Cascades and a few others. Special pages are set aside for Mount Shasta in California, and Mt. St. Helens in Washington (in progress).
           
Volcanoes of the Cascades: The Cascades include around two dozen active or possibly active stratovolcanoes, and a few extinct ones as well. Here is a selection of some that I've captured. Mt. Shasta and Mt. St. Helens are featured on separate pages
Mt. Rainier from above Mt. Rainier on approach to SeaTac Airport Rainier on approach to Seattle Mt. Rainier from the south Mt. Rainier in deep twilight Deep twilight at Mt. Rainier
Mt. Rainier, at (14,411 ft), the tallest volcano in the Cascades Range Aerial view of Mt. Rainer on approach to SeaTac Airport Aerial view of Mt. Rainer on approach to SeaTac Airport Aerial view of Mt. Rainier from a northbound plane An admittedly strange deep twilight shot of Mt. Rainier, looking southeast Another deep twilight shot of Mt. Rainier
Mt. Rainier Mt. Adams and Mt. St. Helens Mt. Adams and Mt. St. Helens Mt Adams from the west Mt. Adams Mt. Rainier from Johnston Observatory
Mt. Rainier from above Aerial shot of Mt. Adams and Mt. St. Helens from the west Aerial shot of Mt. Adams and Mt. St. Helens from the west Aerial shot of Mt. Adams from the west Mt. Adams, 12,277 feet,  Washington Mt. St. Helens from the Johnston Ridge Observatory
St Helens from the east St. Helens from the east Mt. St. Helens from the east Mt. Hood from southeast Mt. Hood and lahar deposit Mt. Hood
Mt.  St. Helens (8,363 feet) from the east. Mt. St. Helens from the east Aerial view of Mt. St. Helens from the west Mt. Hood, 11,240 feet, from the southeast Mt. Hood and downstream lahar deposits (volcanic mudflow) Mt. Hood, 11,240 feet, from the southeast
Mt. Hood, Oregon Mt. Hood, Oregon Columbia River and Mt. Hood Aerial view of Mt Hood from the west Mt Hood from the west Mt. Washington and Belknap Crater
Mt. Hood, 11,240 feet, Oregon Mt. Hood, Oregon Aerial view of Columbia River and Mt. Hood in northern Oregon Aerial view of Mt. Hood from the west Aerial view of Mt. Hood from the west Mt. Washington (7,795 feet) in Oregon, and Belknap Crater, a shield (6,873 feet)
Mt. Jefferson, Oregon Mt. Jefferson in Oregon Two of Three Sisters from Paulina Lake Three Sisters in Oregon Southern part of Three Sisters, Oregon Three Sisters, Oregon
Mt. Jefferson, 10,495 feet, Oregon Mt. Jefferson in Oregon Two of the Three Sisters from Paulina Lake on the Newberry Volcano The Three Sisters (highest at 10,358 feet) in Oregon Southern part of Three Sisters, Oregon The Three Sisters in Oregon
           
           
Aerial of Crater Lake from west Aerial of Crater Lake aerial of Crater Lake from west Mt. McLoughlin and Fourmile Lake Mt. McLoughlin Mt. McLoughlin
Aerial of a missing stratovolcano, Crater Lake from the west Black and white of Crater Lake from the west Aerial of a missing stratovolcano, Crater Lake from the west Mt. McLoughlin, 9,495 feet, and Fourmile Lake in southern Oregon Mt. McLoughlin in southern Oregon Mt. McLoughlin in southern Oregon
Mt. McLoughlin and Union Peak from Crater Lake Rim Mt. Shasta and Shastina Interior of a stratovolcano, Mt Mazama, which collapsed to form Crater Lake Mt. Hilman at Crater Lake Brokeoff Mtn, a portion of ancient Mt. Tehama Brokeoff Mtn, a portion of ancient Mt. Tehama
Mt. McLoughlin and Union Peak from the rim of Crater Lake Mt. Shasta and Shastina from the north. There is an entire page for Shasta here. A stratovolcano from the inside out: Mt. Mazama collapsed to form Crater Lake (photo by Susan)  Stratovolcano from the inside out: Mt. Mazama collapsed to form Crater Lake (photo by Susan) Brokeoff Mtn, a portion of ancient Mt. Tehama. It is an eroded stratovolcano near Lassen Peak Brokeoff Mtn, a portion of ancient Mt. Tehama near Lassen Peak
Zoom on Brokeoff Mountain Brokeoff Mtn, a portion of ancient Mt. Tehama Brokeoff Mtn, a portion of ancient Mt. Tehama Brokeoff Mtn, a portion of ancient Mt. Tehama Brokeoff Mountain from Lassen Peak trail Brokeoff Mountain from Lassen Peak trail
Zoom on Brokeoff Mtn, a portion of ancient Mt. Tehama Brokeoff Mtn, a portion of ancient Mt. Tehama, from the Bumpass Hell trail Brokeoff Mtn, a portion of ancient Mt. Tehama Brokeoff Mtn, a portion of ancient Mt. Tehama from Bumpass Hell trail Brokeoff Mtn, part of the Tehama stratovolcano, from the Lassen Peak trail Brokeoff Mtn, part of the Tehama stratovolcano, from the Lassen Peak trail
           
Other Stratovolcanoes from all over: I haven't explored the whole world yet, but I've been a few other places with composite cones. Here is a small collection...
Mt. Ruapahu in New Zealand Ruapahu, showing layers Ruapahu from the west Ruapahu San Francisco Peaks from the east San Francisco central crater
Ruapahu, a stratovolcano on the North Island of New Zealand (9,175 feet) Ruapahu, showing on the left why we call these stratovolcanoes Ruapahu from the west. It has a central crater area that reminds me of St. Helens Zooming in on Ruapahu's crater San Francisco Peaks, a stratovolcano complex south of Grand Canyon near Flagstaff, AZ San Francisco Peaks, AZ, showing eastward facing central crater (similar in appearance to Mt. St. Helens)
San Francisco Peaks from north San Francisco Peaks from the north San Francisco Peaks from Desert View, South Rim of Grand Canyon San Francisco Peaks from South Rim of Grand Canyon San Francisco Peaks from North Rim, Grand Canyon San Francisco Peaks from the North Rim of Grand Canyon
San Francisco Peaks from the north. Humphrey's Peak (12,637 ft.) is the highest point in Arizona San Francisco Peaks are in the center of a large volcanic field containing 600 or more cones San Francisco Peaks from the south rim of Grand Canyon, at Desert View San Francisco Peaks from the south rim of Grand Canyon, at Desert View San Francisco Peaks from the north rim of the Grand Canyon Dawn view of San Francisco Peaks from North Rim of Grand Canyon
Vesuvius in Italy Vesuvius, Italy Vesuvius and Ercolano Vesuvius looms over Ercolano Vesuvius and Pompei Vesuvius and Pompei
Vesuvius near Naples, Italy. This is the volcano that devastated Pompei Vesuvius, the only active volcano on the European continent, is way too close to Naples This is Ercolano, built on the remains of Herculaneum, which was also destroyed in the eruption of Vesuvius in 79AD Vesuvius literally looms over Ercolano and Naples, Italy The town of Pompei was buried in ash of Vesuvius in 79 AD The town of Pompei was buried in ash of Vesuvius in 79 AD
Vesuvius summit Somma from Vesuvius Naples from summit of Vesuvius Summit crater of Vesuvius Crater wall on Vesuvius Somma from Vesuvius
A road winds to within a short distances to the summit of Vesuvius and a trail reaches the rim Somma is an earlier eroded volcanic crater seen here from the Vesuvius trail The day I was there was horrifically smoggy, but Naples is viewed here from the summit crater. Way too close... There is a huge summit crater on Vesuvius (and a curio shop!) Wall of summit crater on Vesuvius Somma from the Vesuvius trail
           
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