Mount Mazama - Wikipedia
网页Mount Mazama (Tum-sum-ne in the Native American language Klamath [5]) is a complex volcano in the western U.S. state of Oregon, in a segment of the Cascade Volcanic Arc and Cascade Range. The volcano is in Klamath County, in the southern Cascades, 60 miles (97 km) north of the Oregon–California border.
Mount Mazama - The Oregon Encyclopedia
网页Mount Mazama is located in the southern part of the Cascade Range, about sixty miles north of the Oregon-California state line. It holds Crater Lake (giiwas in the Klamath language), at 1,943 feet the deepest freshwater body of water in the United States. Much of the mountain is a caldera formed by a massive volcanic eruption and collapse after ...
Geology and History Summary for Mount Mazama and Crater Lake
网页2023年10月23日 — Mount Mazama is one of the major volcanoes of the Cascades Arc. Crater Lake is located within the collapsed caldera of Mount Mazama on the crest of the Cascade Range in southern Oregon about 90 km (55 mi) north of the city of Klamath Falls and about 100 km (60 mi) northeast of Medford.
Eruption History for Mount Mazama and Crater Lake Caldera
网页2023年10月31日 — Mount Mazama was formed as a succession of overlapping cones and shields during a period of relatively continuous volcanic activity that lasted nearly half a million years, from about 420 to 40 ka. The first eruptions built Mount Scott, located just east of …
Crater Lake | U.S. Geological Survey - USGS.gov
网页Crater Lake partly fills one of the most visually spectacular calderas of the world, an 8-by-10-km (5-by-6-mi) basin more than 1 km (0.6 mi) deep formed by collapse of the volcano known as Mount Mazama during a series of explosive eruptions about 7,700 years ago.
馬札馬火山 - 维基百科，自由的百科全书
网页馬札馬火山（英語： Mount Mazama ），是一座位于美国 俄勒冈州境內的火山，属于喀斯喀特山脉的一部分。 約7,000年以前，馬札馬火山爆發、崩塌後，留下了火口湖。
Mount Mazama and Crater Lake: Growth and Destruction of a …
网页This cluster, called Mount Mazama (for the Portland, Oregon, climbing club the Mazamas), was destroyed during an enormous explosive eruption 7,700 years ago. So much molten rock was expelled that the summit area collapsed during the eruption to form a large volcanic depression, or caldera.
Geology of Mount Mazama - U.S. National Park Service
网页2022年12月6日 — The boundary of Crater Lake National Park protects most of what remains of Mount Mazama, an ancient volcano that once loomed around 12,000 ft (3,700 m) skyward, amongst the tallest in the Cascade Mountain Range.
Crater Lake - Global Volcanism Program
网页The 8 x 10 km wide Crater Lake caldera was formed about 7,700 years ago when Mount Mazama, a complex of overlapping stratovolcanoes, collapsed following a major explosive eruption. The eruption produced widespread ashfall and …
Crater Lake | Volcano World | Oregon State University
网页2010年9月27日 — About 6,850 years ago Mount Mazama, a stratovolcano, collapsed to produce Crater Lake, one of the world's best known calderas. The caldera is about 6 miles (10 km) wide. The catastrophic pyroclasticeruption released about 12 cubic miles (50 cubic km) of magma to the surface. It was one of the largest eruptions in the last 10,000 years.