Yellowstone Supervolcano Eruptions Were Even Bigger Than We Thought
Yellowstone's geysers and hotpots are 'just the latest in a protracted history of numerous catastrophic super-eruptions that have burned a track along the Snake River eastwards from Oregon to Yellowst...
Crater Lake
Crater Lake is a caldera lake in the western United States, located in south-central Oregon. It is the main feature of Crater Lake National Park and is famous for its deep blue color and water clarity...
Yellowstone hotspot
The Yellowstone hotspot, also referred to as the Snake River Plain-Yellowstone hotspot, is a volcanic hotspot responsible for large scale volcanism in Oregon, Nevada, Idaho, and Wyoming, United States...
Yellowstone Supervolcano Eruptions Were Even Bigger Than We Thought
Yellowstone's geysers and hotpots are 'just the latest in a protracted history of numerous catastrophic super-eruptions that have burned a track along the Snake River eastwards from Oregon to Yellowst...
Mount Tabor (Oregon)
Mount Tabor is an extinct or dormant volcanic vent, the city park on the volcano, and the neighborhood of Southeast Portland that surrounds it, all in Oregon. The name refers to Mount Tabor, Israel, p...
Powell Butte
Powell Butte is an extinct volcanic cinder cone butte in Portland, Oregon, United States. It is one of four such cones (the others being Rocky Butte, Kelly Butte and Mount Tabor) inside the city that...
Yellowstone National Park
Yellowstone National Park (Arapaho: Henihco'oo or Héetíhco'oo) is a national park located primarily in the U.S. state of Wyoming, although it also extends into Montana and Idaho. It was establishe...
Devil's Garden volcanic field
Devil's Garden Volcanic Field is a volcanic field located south east of Newberry Caldera in Oregon. The lava field consists of several flows of pahoehoe lava that erupted from fissure vents in the n...
Henry's Fork Caldera
The Henry's Fork Caldera in Idaho is a caldera located an area known as Island Park, west of Yellowstone National Park. The caldera was formed by one of the world's supervolcanos in an eruption of mor...
Squaw Ridge Lava Field
The Squaw Ridge lava field, also known as the East lava field, is a young basaltic field located in the U.S. state of Oregon southeast of Newberry Volcano.
Western Cascades
The Western Cascades is a region of the U.S. state of Oregon between the Willamette Valley and the High Cascades. The range contains many extinct shield volcanoes, cinder cones and lava flows. The ran...
Mount Sylvania
Mount Sylvania is an extinct volcano, part of the Boring Lava Field, on the outskirts of Portland, Oregon. Parts of the mountain are within the cities of Portland, Lake Oswego, and Tigard. Mountain Pa...
Cascade Volcanoes
The Cascade Volcanoes (also known as the Cascade Volcanic Arc or the Cascade Arc) are a number of volcanoes in a volcanic arc in western North America, extending from southwestern British Columbia thr...
Llao
Llao is the god of the underworld in the mythology of the Klamath Native American tribe. Llao fought a great battle with the sky god, Skell, which caused the eruption of Mount Mazama, creating Crater ...
Siletz River Volcanics
The Siletz River Volcanics, located in the Oregon Coast Range, United States, is a sequence of basaltic pillow lavas that make up part of Siletzia. The basaltic pillow lavas originally came from subma...
Davis Lake volcanic field
The Davis Lake volcanic field, is a volcanic field with a group of andesitic cinder cones, lava flows and basaltic andesite shield volcanos east of the Cascade Range of Oregon, USA.
Ochoco Mountains
The Ochoco Mountains are a mountain range in central Oregon in the United States, located at the western end of the Blue Mountains. They were formed when Permian, Triassic, and Jurassic rocks were sl...
Crater Lake (Colorado)
Crater Lake is a mountain lake in the Elk Mountains, Pitkin County of the US State of Colorado. It lies just northeast of the Maroon Bells and just northwest of Pyramid Peak. The view of the striated ...
Hell's Half Acre Lava Field
Hell's Half Acre Lava Field is a basaltic lava plain located on the Snake River Plain of Idaho in the United States. It is the easternmost of the basaltic lava fields on the Snake River Plain, located...
Carmacks Group
The Carmacks Group is a Late Cretaceous volcanic group in southwest-central Yukon, Canada, located between the communities of Dawson City and Whitehorse. It consists of flood basalts, coarse volcanicl...
Wizard Island
Wizard Island is a volcanic cinder cone which forms an island at the west end of Crater Lake in Crater Lake National Park, Oregon. The top of the island reaches 6,933 feet (2,113 m) above sea le...
Columbia River Basalt Group
The Columbia River Basalt Group is a large igneous province that lies across parts of the Western United States. It is found in the U.S. states of Washington, Oregon, Idaho, Nevada, and California. T...