Chapter 4b-Volcanism USA
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Roger Weller, geology instructor
copyright 2012-R.Weller 


last edited:  2/21/12    dead links removed        
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Physical Geology Illustrated Vocabulary

Aleutian Islands
Aleutian arc volcanoes-Unga Island
images of Alaska
photo of an Aleutian volcano
Pacific Ring of Fire (map)
subduction zone volcanism

Hopi Buttes diatremes
Navajo volcanic field
San Francisco volcanic field
S.P. crater
Sunset crater
Sunset Crater Volcano National Monument
Sunset Crater Volcano National Monument-USGS
Turkey Creek caldera
links on Arizona volcanoes and volcanics-USGS

Coso volcanic field
Devils Postpile
Devils Postpile, California
Eastern California volcanism
Inyo craters
Inyo Craters-USGS
Lassen Peak
Lassen Peak links-USGS
Long Valley caldera

Long Valley vicinity-maps and graphics-USGS
Long Valley Observatory-USGS
Long Valley caldera map-USGS
Long Valley cross-sectional diagram-USGS
Medicine Lake volcano
Medicine Lake volcano-links-USGS
Medicine Lake volcano-USGS
Mount Shasta
Mount Shasta links-USGS
recent eruptions of California volcanoes-USGS

Hartford Basin/Newark Group

Halemaumau photos
Halemaumau fumaroles photo
Halemaumau crater photo
Halemaumau boulder field photo
Hawaii Volcanoes National Park
Kilauea volcano-Hawaii Center for Volcanology
Kilauea eruptions and image archive-USGS
Pu'u' O'o cinder cone in Kilauea-USGS
pahoehoe lava flow -Kilauea crater
P'u' O'o eruption updates
Loihi-newest volcano-USGS
Loihi volcano-Hawaii Center for Volcanology
Loihi submarine volcano
geologic activity at Loihi-Hawaii Center for Volcanology
Loihi collapsed dome
Mauna Loa
Hawaii volcanoes links-USGS
Mauna Loa volcano-Hawaii Center for Vocanology
Mauna Loa shaded relief images
Hawaiian volcanoes-Hawaii Center for Volcanology
ages of Hawaiian volcanoes
map of the Big Island of Hawaii
volcanoes of Hawaii-USGS
map of Hawaiian islands
virtual field trips of Hawaii


Craters of the Moon National Monument
Craters of the Moon, Idaho links-USGS
Craters of the Moon satellite photo-JPL

New Mexico
Bandera volcano
Valles caldera
Valles Caldera geologic maps -Cochise College
Valles caldera-text
formation of the Valles caldera
geology of the Valles caldera

Cascade Range volcanoes links-USGS
Central Oregon High Cascades links-USGS
Cascades Volcano Observatory
Crater Lake
Crater Lake, Oregon-USGS *
Crater Lake links-USGS
map of floor of Crater Lake-USGS
links to Crater Lakes websites
Crater Lake p
Mount Hood

Mount Hood links-USGS
Mount Hood seismicity
Newberry volcano
Newberry volcano obsidian flow-USGS

Pacific Northwest volcanism
Mt. McLoughin volcano-USGS
map of Pacific Northwest volcanoes-USGS
Oregon Cascades photo gallery

Big Bend
America's Volcanic Past-Big Bend Park-USGS *

USA volcanoes
active and potentially active volcanoes in the USA-USGS *
Volcanoes of the USA-USGS

Glacier Peak
Glacier Peak, Washington-USGS
Glacier Peak links-USGS
Glacier Peak seismicity
Goat Rocks volcanic field
Goat Rocks volcanic field-links-USGS
Indian Heaven volcanic field
Indian Heaven volcanic field links-USGS
Mount Adams
Mount Adams, Washington-USGS
Mount Adams links-USGS
Mount Baker
Mt. Baker links-USGS
Mount Baker volcanic hazards-USGS
Mt. Baker volcanic activity history
Mt. Baker map
Mount Rainier
pyroclastic deposits-Mt.Rainier-USGS
Mt. Rainier links-USGS
flood hazards from Mt. Rainier-USGS
map of mudflows from Mt. Rainier-USGS
map of ashfall pattern from Mt. Rainier-USGS
Mt. Rainier seismicity
Mount. St. Helens
super collection of Mt. St. Helens links**
photo cam looking at Mt. St. Helens *
Mt. St. Helens Tour- Steve Tyminski- Cochise College
chemistry of Mt. St. Helens ash
links to May 18, 1980 eruption of Mt. St. Helens
Mt. St. Helens links-USGS
Mt. St. Helens lava dome images-USGS
May 1980 eruption of Mt. St. Helens: the first 100 days-USGS
report on the May 1980 eruption of Mt. St. Helens-USGS
map of ash fallout from Mt. St. Helens
description of the May 1980 eruption of Mt. St. Helens
diagram of growth of lava dome in Mt. St. Helens
map of area devastated by the eruption of Mt. St. Helens
pre-1980 photos of Mt. St. Helens
Washington State volcanoes-USGS

Western USA
major west coast USA volcanoes-USGS
potentially active volcanoes of the western USA-USGS
Cascades Volcano Observatory

Devils Tower
theories of origin-Devils Tower
Yellowstone National Park
Yellowstone caldera links-USGS
map of Yellowstone National Park-USGS