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  1. www.scientificamerican.com › article › californiasCalifornia’s Mount Shasta Loses a Historical Eruption

    Aug 20, 2019 · So on August 6, Mount Shasta’s volcanic history became a little shorter when the 1786 eruption was officially struck from the record. The volcanic housecleaning is part of a larger effort led by ...

    • Jennifer Leman

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    • Mount Shasta, California, a 4,332 m high complex compound volcano of at ...
    • Mount Shasta On List Of Volcanoes With 'Very High Threat' Of Eruption ...
    • Global Volcanism Program | Shasta
    • Mt. Shasta On List Of Volcanoes With ‘Very High Threat’ Of Eruption ...

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  3. volcano.si.edu › volcanoGlobal Volcanism Program | Shasta

    The most voluminous of the Cascade volcanoes, northern California's Mount Shasta is a massive compound stratovolcano composed of at least four main edifices constructed over a period of at least 590,000 years. An older edifice was destroyed by a large debris avalanche which filled the Shasta River valley to the NW. The Hotlum cone, forming the present summit, the Shastina lava dome complex ...

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  4. www.iflscience.com › what-are-the-mysteries-ofWhat Are The Mysteries Of Mount Shasta? | IFLScience

    Apr 8, 2024 · Why is Mount Shasta so special? Mount Shasta is a stratovolcano, or composite volcano, that reaches the soaring height of 4,322 meters (14,179 feet).Like other volcanos of this type, it has a more ...

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  6. www.usgs.gov › index › volcanoesLava Flows | U.S. Geological Survey - USGS.gov

    Nov 7, 2023 · Geology and History of Mount Shasta. Mount Shasta is located in the Cascade Range in northern California about 65 km (40 mi) south of the Oregon-California border. One of the largest and highest (14,162 ft) of the Cascade volcanoes, the compound stratovolcano is located near the southern end of the range that terminates near Lassen Peak. By.

  7. www.usgs.gov › faqs › how-often-does-mount-shasta-eruptHow often does Mount Shasta erupt? | U.S. Geological Survey

    Eruptions during the last 11,000 years produced lava flows and domes on and around the flanks of Mount Shasta. Pyroclastic flows from Shasta’s summit and flank vents extended as far as 20 km (12.4 miles) from the summit. Most of these eruptions also produced large mudflows, many of which travelled several tens of kilometers from Mount Shasta.

  8. www.britannica.com › place › Mount-ShastaMount Shasta | California, Map, & History | Britannica

    May 4, 2024 · Mount Shasta, peak (14,162 feet [4,317 metres]) of the Cascade Range in the Shasta-Trinity National Forest, northern California, U.S. The peak lies 77 miles (124 km) north of the city of Redding. An impressive double-peaked dormant volcano, it dominates the landscape (a vast panorama of tumbled.

  9. pubs.usgs.gov › publication › sir20175022K3Geologic field-trip guide to Mount Shasta Volcano, northern ...

    First posted August 18, 2017. For additional information, contact: Volcano Science Center - Menlo Park. U.S. Geological Survey. 345 Middlefield Road, MS 910. Menlo Park, CA 94025. The southern part of the Cascades Arc formed in two distinct, extended periods of activity: “High Cascades” volcanoes erupted during about the past 6 million ...