Geosciences

Lithosphere

Plate Tectonics

  • Plate Boundaries
  • Continental Drift and Plate Tectonics
  • Digital World Tectonic Activity Map
  • Evolving Earth: Interactive Plate Tectonics Map
  • Global Tectonic and Volcanic Activity of the Last One Million Years
  • Hawai'i: Geology, Plate Tectonics/Hot Spot
  • Introduction to Plate Tectonics
  • Magnetic Field Calculator
  • Paleomap Project
  • Plate Boundaries
  • Plate Tectonics
  • Plate Tectonics Animations
  • Plate Tectonics: Main Features
  • Plate Tectonics Map
  • Plate Tectonics Puzzle, Part 1
  • Plate Tectonics Puzzle, Part 2
  • This Dynamic Planet
  • Ring of Fire
  • Sea Floor Spreading
  • World Map of Volcanoes, Earthquakes, Impact Craters, and Plate Tectonics
  • Top of Page
  • Landforms

  • Color Landform Atlas of the United States
  • Death Valley National Park
  • Devil's Tower
  • Wikipedia Landforms
  • Top of Page
  • Mountains

  • Blue Ridge Province
  • Colorado Plateau
  • Global Mountains Partnership Program
  • Mountain Ranges and Highest Peaks of the World
  • Wikipedia Mountain Ranges
  • Top of Page
  • Caves and Karsts

  • Journey into Amazing Caves
  • Karst Topography Models
  • Top of Page
  • Earthquakes

  • British Geological Survey Earthquakes
  • Earthquake Hazards Program
  • Earthquake Machine Video
  • Earthquake Parameters
  • Earthquakes: Things to Learn
  • Exploring Earthquakes Glossary
  • Faults
  • Latest Earthquake Information
  • Modified Mercalli Intensity Scale
  • National Information Service for Earthquake Engineering (NISEE)
  • Northern California Earthquake Data Center
  • Recent Earthquake Teachable Moments
  • Seismometers P-Waves Applet
  • Seismometers S-Waves Applet
  • Southern California Earthquake Data Center
  • Studying Earthquakes
  • World-Wide Earthquake Locator
  • Top of Page
  • Volcanoes

  • Alaska Volcano Observatory
  • Cascades Volcano Observatory
  • Eruptions of Hawaiian Volcanoes: Past, Present, and Future
  • Hawaiian Volcano Observatory
  • How Volcanoes Work
  • MTU Volcanoes
  • USGS Volcano Hazards Program
  • Volcanic Features of Hawaii and Other Worlds
  • Volcano.com
  • Volcano Discovery
  • Volcano Types
  • Volcano World
  • Wikipedia Volcanoes
  • Top of Page
  • Cratering

  • Barringer Meteorite Crater
  • Chicxulub Crater
  • Computing Crater Size from Projectile Diameter
  • Computing Projectile Size from Crater Diameter
  • Earth Impact Database
  • Haleakala Crater Live Cam
  • Introduction to Cratering Studies
  • Making a Crater Activity
  • Meteor Crater
  • Terrestrial Impact Craters
  • Terrestrial Impact Craters Slide Set
  • Top of Page
  • Soils

  • Carbon Cycle
  • Carbon Cycle, Teachers' Domain
  • Nitrogen Cycle
  • Nitrogen Cycle, WGBH, 2007
  • Phosphorus Cycle
  • Soil Moisture Experiment
  • Soil pH: What It Means
  • Soil Survey Manual
  • Twelve Soil Orders
  • USDA Soils
  • Top of Page
  • Mass Wasting

  • Mass Wasting
  • Mass Wasting
  • Mechanical Weathering
  • Wikipedia Weathering
  • Top of Page
  • Deserts

  • American West Travelogue
  • Arabian Desert and East Sahero-Arabian Xeric Shrublands
  • Atacama Desert
  • Desert Environment and Geology
  • DesertUSA
  • Desert Life in the American Southwest
  • Great Sandy Desert
  • Integrating Land Management in Dry Areas
  • Kyzyl Kum Desert
  • Life in the Desert
  • Libyan Desert
  • Mojave Desert
  • Namib Desert
  • Sand Dunes
  • What's It Like Where You Live?
  • Wikipedia Dunes
  • Top of Page