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  2. Long Valley Caldera - Wikipedia

    en.wikipedia.org/wiki/Long_Valley_Caldera

    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. Long Valley was formed 760,000 years ago when a very large eruption released hot ash ...

  3. Mammoth Mountain - Wikipedia

    en.wikipedia.org/wiki/Mammoth_Mountain

    Mammoth Mountain is a lava dome complex in Mono County, California. It lies in the southwestern corner of the Long Valley Caldera [6] and consists of about 12 rhyodacite and dacite overlapping domes. [7] These domes formed in a long series of eruptions from 110,000 to 57,000 years ago, building a volcano that reaches 11,059 feet (3,371 m) in ...

  4. Bishop Tuff - Wikipedia

    en.wikipedia.org/wiki/Bishop_Tuff

    The Bishop Tuff is a welded tuff which formed 764,800 ± 600 years ago as a rhyolitic pyroclastic flow during the approximately six-day eruption that formed the Long Valley Caldera. [1] [2] [3] Large outcrops of the tuff are located in Inyo and Mono Counties, California, United States. Approximately 200 cubic kilometers of ash and tuff erupted ...

  5. One of California's riskiest volcanoes has been seeing more ...

    www.aol.com/news/more-quakes-one-californias...

    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 ...

  6. 'High threat' supervolcano could bring about an ice age when ...

    www.aol.com/news/2017-03-30-high-threat-super...

    Though Shelly says that "a catastrophic eruption at Long Valley is a long shot," he says "volcanic hazards shouldn't be ignored" in California. "Preparations are similar to those that should be ...

  7. Mono–Inyo Craters - Wikipedia

    en.wikipedia.org/wiki/Mono–Inyo_Craters

    As part of the California Water Wars, the Los Angeles Department of Water and Power purchased large tracts of land in the 1930s within Mono Basin and Owens Valley in order to control water rights. [ 8 ] : 296 Excavation of an 11.5-mile (18.5 km) water tunnel under the southern part of the Mono Craters dome complex started in 1934 and was ...

  8. Coso Volcanic Field - Wikipedia

    en.wikipedia.org/wiki/Coso_Volcanic_Field

    Coso Volcanic Field. A basaltic lava flow that is typical of the process that created the stepped terraces of Coso as it flowed across the landscape, producing a more or less flat surface eroding to a sheer front. The Coso Volcanic Field is located in Inyo County, California, at the western edge of the Basin and Range geologic province and ...

  9. California's Line Fire grows to 26,000 acres, more ... - AOL

    www.aol.com/californias-line-fire-grows-26...

    September 10, 2024 at 10:05 AM. California's massive Line Fire continues to burn thousands of acres in San Bernardino County. As of Tuesday morning, the blaze reached 26,426 acres and was 5% ...