• Thumbnail for Geology of the Lassen volcanic area
    The Lassen volcanic area presents a geological record of sedimentation and volcanic activity in and around Lassen Volcanic National Park in Northern California...
    46 KB (5,431 words) - 06:15, 21 August 2024
  • Thumbnail for Geothermal areas in Lassen Volcanic National Park
    The geothermal areas in Lassen Volcanic National Park include several groups of hot springs and fumaroles, as remnants of former volcanic activity, exist...
    10 KB (1,116 words) - 18:34, 3 September 2023
  • Thumbnail for Lassen Volcanic National Park
    the largest plug dome volcano in the world and the southernmost volcano in the Cascade Range. Lassen Volcanic National Park is one of the few areas in...
    44 KB (4,217 words) - 19:49, 18 November 2024
  • Thumbnail for Lassen Peak
    Lassen Peak (/ˈlæsən/ LASS-ən), commonly referred to as Mount Lassen, is a 10,457 ft (3,187 m) lava dome volcano in Lassen Volcanic National Park in Northern...
    68 KB (7,355 words) - 18:53, 28 September 2024
  • Thumbnail for Cinder Cone and the Fantastic Lava Beds
    Lassen Volcanic National Park within the United States. It is located about 10 mi (16 km) northeast of Lassen Peak and provides an excellent view of Brokeoff...
    21 KB (2,625 words) - 00:57, 20 November 2024
  • Thumbnail for Chaos Crags
    Chaos Crags (category Lassen Volcanic National Park)
    Chaos Crags is the youngest group of lava domes in Lassen Volcanic National Park, California. They formed as six dacite domes 1,100-1,000 years ago, one...
    31 KB (3,600 words) - 11:22, 21 November 2024
  • Thumbnail for Geology of the Pacific Northwest
    Garibaldi Volcanic Belt Geology of British Columbia Geology of North America Geology of the Lassen volcanic area Hole-in-the-Ground List of volcanoes...
    36 KB (4,678 words) - 08:58, 14 July 2024
  • Thumbnail for Mount Tehama
    Mount Tehama (category Lassen Volcanic National Park)
    andesitic stratovolcano in the Cascade Volcanic Arc and the Cascade Range in Northern California. Part of the Lassen volcanic area, its tallest remnant, Brokeoff...
    13 KB (1,490 words) - 13:16, 31 August 2024
  • Thumbnail for Volcano
    Volcano (redirect from Volcanic)
    within the crater of a previous volcanic eruption, as in the case of Mount St. Helens, but can also form independently, as in the case of Lassen Peak....
    89 KB (10,091 words) - 22:33, 13 November 2024
  • Thumbnail for Lassen National Forest
    Wilderness, also created in 1964. Geology of the Lassen volcanic area List of national forests of the United States Transfer Act of 1905 http://memory.loc...
    24 KB (2,994 words) - 00:57, 8 October 2024
  • area Geology of Arkansas Geology of California Geology of the Death Valley area Geology of the Lassen volcanic area Geology of Mount Shasta Geology of...
    7 KB (758 words) - 00:27, 8 December 2020
  • Thumbnail for Cascade-Sierra province
    Cascade-Sierra province (category Geologic provinces of the United States)
    make it one of the most geologically active places in North America. The province is home to several national forests, including the Lassen, Modoc, and...
    8 KB (671 words) - 23:52, 1 November 2024
  • Thumbnail for Cascade Volcanoes
    eruption at Lassen Peak devastated nearby areas and rained volcanic ash as far away as 200 miles (320 km) to the east. A huge column of volcanic ash and gas...
    44 KB (4,917 words) - 18:39, 29 February 2024
  • Thumbnail for Cascade Range
    Cascade Range (category Geologic provinces of the United States)
    Park, and Lassen Volcanic National Park. The northern half of the Pacific Crest Trail follows the range. The Cascades extend northward from Lassen Peak (also...
    33 KB (3,686 words) - 16:34, 3 November 2024
  • 1, 2012). "Geology and 40Ar/39Ar geochronology of the medium- to high-K Tanaga volcanic cluster, western Aleutians". Geological Society of America Bulletin...
    73 KB (550 words) - 22:35, 6 October 2024
  • Thumbnail for Outline of California
    California by County Geology of the Death Valley area Geology of the Lassen volcanic area Geology of Point Lobos area Geology of the Yosemite area Mining in California...
    37 KB (2,821 words) - 20:07, 8 November 2024
  • Thumbnail for Shasta Cascade
    Shasta Cascade (category Geography of Northern California)
    Castle Lake, Lassen Volcanic National Park, Caribou Wilderness, Thousand Lakes Wilderness, and climbing Mount Shasta. The civic "capital" of the Shasta Cascade...
    6 KB (476 words) - 21:57, 3 February 2024
  • Thumbnail for Ring of Fire
    oceanic trenches, volcanic arcs, back-arc basins and volcanic belts. The inclusion of some areas in the Ring of Fire, such as the Antarctic Peninsula...
    93 KB (9,630 words) - 12:57, 23 November 2024
  • Thumbnail for Shield volcano
    examples are found in California and Oregon, including Prospect Peak in Lassen Volcanic National Park, as well as Pelican Butte and Belknap Crater in Oregon...
    38 KB (4,309 words) - 18:20, 12 September 2024
  • This is a list of notable volcanic eruptions in the 16th to 20th centuries with a Volcanic explosivity index (VEI) of 4 or higher, and smaller eruptions...
    76 KB (1,973 words) - 08:25, 27 September 2024
  • Thumbnail for Mount Rainier
    Rainier | U.S. Geological Survey". www.usgs.gov. Archived from the original on October 8, 2022. Retrieved October 8, 2022. "Volcanic Hazard Areas" (PDF). Critical...
    99 KB (9,089 words) - 20:00, 23 November 2024
  • Thumbnail for Mono–Inyo Craters
    The Mono–Inyo Craters are a volcanic chain of craters, domes and lava flows in Mono County, Eastern California. The chain stretches 25 miles (40 km) from...
    53 KB (6,013 words) - 22:36, 6 November 2023
  • America. Volcanoes south of the Fraser River in the Cascade Volcanic Arc (a geological term) belong to the Cascade Range (a geographic term). Peaks are listed...
    12 KB (1,344 words) - 01:13, 27 January 2024
  • Thumbnail for Active volcano
    a group of lava domes northwest of Lassen Peak Lassen Peak, a large lava dome Lassen Volcanic National Park, a volcanic area and volcanic field Clear...
    27 KB (2,461 words) - 21:08, 3 October 2024
  • Thumbnail for Susan River (California)
    Susan River (California) (category Rivers of Lassen County, California)
    plateau of volcanic highlands along the Great Basin Divide to intermittent Honey Lake. The river flows from eastern Lassen County from east of Lassen Volcanic...
    6 KB (397 words) - 12:24, 11 November 2024
  • Thumbnail for National parks in California
    National parks in California (category Wikipedia articles incorporating text from the United States Geological Survey)
    Academy of Sciencies. Archived from the original on March 6, 2012. Retrieved February 16, 2021. "Lassen Volcanic Center". United States Geological Survey...
    57 KB (5,457 words) - 00:27, 3 September 2024
  • Thumbnail for 1631 eruption of Mount Vesuvius
    De' Medici, Roberto. “The Effects of Volcanic Eruptions on Mediterranean Populations.” Journal of Historical Geology, vol. 30, no. 2, 2021, pp. 125-145...
    30 KB (3,571 words) - 04:57, 23 November 2024
  • Thumbnail for 1980 eruption of Mount St. Helens
    volcanic explosivity index of 5, was the first to occur in the contiguous United States since the much smaller 1915 eruption of Lassen Peak in California. It...
    74 KB (7,909 words) - 05:12, 20 November 2024
  • Mudpot (category Volcanic landforms)
    in the parking area of West Thumb Geyser Basin in Yellowstone Fountain Paint Pots, Yellowstone National Park Mudpot in Bumpass Hell, Lassen Volcanic National...
    6 KB (633 words) - 14:50, 2 October 2024
  • Snow Mountain (Shasta County, California) (category Extinct volcanoes of the United States)
    (24 October 2023). "Eruption History of the Lassen Volcanic Center and Surrounding Region". United States Geological Survey. Retrieved 24 August 2024....
    2 KB (118 words) - 02:34, 26 September 2024