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Map of Long Valley Caldera Early winter in Long Valley, 2017. Long Valley Caldera is a depression in eastern California that is adjacent to Mammoth Mountain.The valley is one of the Earth's largest calderas, measuring about 20 mi (32 km) long (east-west), 11 mi (18 km) wide (north-south), and up to 3,000 ft (910 m) deep.
The Long Valley Caldera in California is about 10 miles wide. And one of the most famous calderas in the world, at Yellowstone National Park, measures 30 miles by 45 miles, according to the U.S ...
In 2012, the Long Valley Observatory was integrated into the new California Volcano Observatory based in Menlo Park, California which covers the entire states of California and Nevada, this includes the southern Cascade Range volcanoes in the state of California which were previously under the jurisdiction of the Cascades Volcano Observatory.
A long-quiet yet massive super volcano, dubbed the "Long Valley Caldera," has the potential to unleash a fiery hell across the planet, and the magma-filled mountain has a history of doing so.
The Long Valley Caldera was formed by a super-eruption about 760,000 years ago that blasted 140 cubic miles of magma, covering much of east-central California in hot ash that was blown as far away ...
Many geological features in Western United States have a Northeastern orientation, the North American craton motion has the same orientation as well. [1] For example: the Trans-Challis fault zone, Idaho; the Snake River in Oregon; the Garlock Fault, California; the Colorado River in Utah; the Colorado Mineral Belt; Crater Flat-Reveille Range-Lunar Crater lineament, the Northwestern Nevada ...
Kapenga Caldera Taupō Volcanic Zone: Unknown 680 Matahana A 7 Kapenga Caldera Taupō Volcanic Zone: Unknown 710 Waiotapu Ignimbrite 7 Long Valley Caldera: Eastern California: 790 760 Bishop Tuff: 7 Kapenga Caldera Taupō Volcanic Zone: Unknown 830 Matahana B 7 Calabozos: Andes, Southern Volcanic Zone Unknown 840 Loma Seca Tuff-Unit L 8 ...
Part of at least 20 large caldera-forming eruptions in the San Juan volcanic field and surrounding area that formed around 26 to 35 Ma. [19] [20] Lund Tuff 29.2 Indian Peak-Caliente Caldera Complex 4,400: Formed the White Rock Caldera, one of the largest eruptions of the Mid-Tertiary Ignimbrite flareup. [18] Jacui—Goboboseb II ~132