[DOC] [TLE] Caldera: Crater Formed by Volcanic Collapse or Explosion [PAR] Crater Lake formed about 7700 years ago when a massive volcanic eruption of ... 
is a satellite view of one of the most famous calderas - Crater Lake in Oregon. ... 
the cataclysmic eruption, renewed eruptions built Wizard Island, Merriam Cone,... [DOC] [TLE] Crater Lake - Wikipedia [PAR] Crater Lake (Klamath: giiwas) is a caldera lake in the western United States, 
located in south-central Oregon. ... The caldera was created in a massive 
volcanic eruption between 6,000 and 8,000 .... have witnessed the collapse of 
Mount Mazama and the formation of Crater Lake, have long regarded the lake as 
a sacred site. [DOC] [TLE] Mount Mazama - Wikipedia [PAR] Mount Mazama collapsed into a caldera, which was filled with water to form Crater Lake. Mount Mazama is a stratovolcano in the Oregon segment of the Cascade Volcanic Arc and the Cascade Range located in the United States. ... Much of the volcano fell into the volcano's partially emptied neck and magma chamber. [DOC] [TLE] Caldera - Wikipedia [PAR] Although sometimes described as a crater, the feature is actually a type of 
sinkhole, as it is formed through subsidence and collapse rather than an 
explosion or... [DOC] [TLE] Mount Mazama and Crater Lake: Growth and Destruction of a ... [PAR] Sep 27, 2002 ... Before Crater Lake came into existence, a cluster of volcanoes ... The cataclysmic 
eruption of Mount Mazama 7,700 years ago began with a ... After the collapse of 
the summit of the volcano, the caldera filled with ... When Clarence Dutton of the 
U.S. Geological Survey (USGS) visited Crater Lake, Oregon in... [DOC] [TLE] Crater Lake | Volcano World | Oregon State University [PAR] Photograph of Crater Lake by Kyle Jones, July 1986. Photo courtesy of Phil ... 
When the eruption column collapsed it generated ash flows. These ash flows... [DOC] [TLE] Geologic History of Crater Lake. - Oregon Explorer [PAR] Crater Lake partially fills a type of volcanic depression called a caldera that 
formed by the collapse of a 3,700 m (12,000 ft) volcano known as Mount Mazama 
... The climactic (caldera-forming) eruption of Mount Mazama changed the ... built 
the postcaldera volcanoes of the central platform, Merriam Cone, and Wizard 
Island. [DOC] [TLE] Glossary - Oregon Explorer [PAR] A large, bowl-shaped volcanic depression formed by the collapse of a ... Cinder 
cone: ... cools rapidly and result in fine-grained (small or no crystal) rock; for 
example, basalt ... lava (silica-rich, highly viscous magma) that filled an explosion 
crater. ... Phantom Ship stands about 51 m (167 ft) above lake level (about 1,940 
m or... [DOC] [TLE] Mount Mazama - The Oregon Encyclopedia [PAR] It holds Crater Lake (giiwas in the Klamath language), at 1,943 feet the ... is a 
caldera formed by a massive volcanic eruption and collapse after the magma ... 
An example is readily seen in the lakea cone fragment called Phantom Ship. [DOC] [TLE] How Volcanoes Work - Calderas [PAR] When an erupting volcano empties a shallow-level magma chamber, the edifice 
of the volcano may collapse into the voided reservoir, thus forming a steep, bowl-
shaped ... Crater-Lake type calderas associated with the collapse of 
stratovolcanoes; Basaltic ... Crater Lake, Oregon, is the namesake of this caldera 
type. With a... [DOC] [TLE] Cinder Cones in Crater Lake NP - Vol. 32-33, 2001/2002 [PAR] The islands of Hawaii are examples of these huge volcanic features but only a ... 
suggests that at least 400 cinder cones have formed in the Oregon portion of the 
.... the climatic eruption and collapse that created the caldera, renewed volcanic... [DOC] [TLE] Crater Lake Volcano, Oregon (Canada and USA (mainland)) - facts ... [PAR] Crater Lake in the southern Cascade Range of Oregon, USA, is one of the most 
... It formed by the collapse of a massive stratovolcano known as Mount ... ago 
and the caldera-forming eruption, building rhyodacitic lava domes and flows and 
... forming Wizard Island cinder cone, and the completely submerged Merriam

Question: This crater is formed when a volcano explodes & the cone collapses; Oregon's Crater Lake is an example
Answer: the caldera