The geothermal areas in Lassen Volcanic National Park include several groups of hot springs and fumaroles, as remnants of former volcanic activity, exist...

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 the world where...

The Lassen volcanic area presents a geological record of sedimentation and volcanic activity in and around Lassen Volcanic National Park in Northern California...

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...

Byway in the Uinta National Forest in central Utah, USA Devil's Kitchen, one of the geothermal areas in Lassen Volcanic National Park, California, USA Devil's...

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...

Mountain, in Lassen Volcanic National Park, California, US Bumpass Hell, one of the geothermal areas in Lassen Volcanic National Park, US Frances Webb Bumpass...

The United States has 63 national parks, which are congressionally designated protected areas operated by the National Park Service, an agency of the Department...

in the parking area of West Thumb Geyser Basin in Yellowstone Fountain Paint Pots, Yellowstone National Park Mudpot in Bumpass Hell, Lassen Volcanic National...

in the United States and its territories. Geothermal energy in the United States List of Cascade volcanoes List of large volume volcanic eruptions in...

and Lassen Volcanic National Park. The northern half of the Pacific Crest Trail follows the range. The Cascades extend northward from Lassen Peak (also...

Volcanic Successions. Unwin Hyman Inc. p. 528. ISBN 978-0-04-552022-0. Philpotts & Ague 2009, p. 70–72. "Volcanoes". Lassen Volcanic National Park California...

amputation. The geothermal area was later named "Bumpass Hell", and is today located in Lassen Volcanic National Park in California. "How this Man's...

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...

volcanoes, geothermal fields, rivers, lakes, forests, and wildlife to varying degrees. Lassen Volcanic National Park was established in 1916 while its...

Springs National Park California Death Valley National Park Lassen Volcanic National Park Idaho, Montana & Wyoming Yellowstone National Park Texas Big...

notable volcanic eruptions in the 16th to 20th centuries with a Volcanic explosivity index (VEI) of 4 or higher, and smaller eruptions that resulted in significant...

west crater. Geothermal heat from the volcano keeps areas of both crater rims free of snow and ice, and has formed the world's largest volcanic glacier cave...

ignimbrite at Los Humeros Volcanic Complex; the largest eruption of the Trans-Mexican Volcanic Belt". Journal of Volcanology and Geothermal Research. 392: 106755...

are found in California and Oregon, including Prospect Peak in Lassen Volcanic National Park, as well as Pelican Butte and Belknap Crater in Oregon. Many...

is one of three areas in California that are in the United States Geological Survey's volcanic hazards program.: 52  These areas are in the program because...

heat discharge in Crater Lake marks the third largest in the Cascades, after the Austin Hot Springs and at Lassen Volcanic National Park. Scientists from...

Mammoth Mountain was formed in a series of eruptions that ended 57,000 years ago. Mammoth still produces hazardous volcanic gases that kill trees. Mammoth...

Geothermal exploration is the exploration of the subsurface in search of viable active geothermal regions with the goal of building a geothermal power...

year old volcanic collapse structure in the North Cascades of the U.S. state of Washington. The caldera collapsed during two separate volcanic eruptions...

California, in 1917. Jagger established a volcano monitoring station at Mount Lassen and another two on the Aleutian Islands, though the Mount Lassen station...

group of volcanic peaks in the Pacific Ranges of the Coast Mountains in southwestern British Columbia, Canada. Part of the Cascade Volcanic Arc of western...

through a fracture in the crust, on land or underwater, usually at temperatures from 800 to 1,200 °C (1,470 to 2,190 °F). The volcanic rock resulting from...

Mountains Yellow Hills The desert has numerous volcanic and geothermal features of the northwest Nevada volcanic region, including two Black Rock Points (west...

and Lassen Peak data. Volcanic Legacy Scenic Byway Wikimedia Commons has media related to Medicine Lake Volcano. "Hoffman". NGS Data Sheet. National Geodetic...