- Aurora Page
- Bill Nye, The Science Guy
- California Institute of Technology - Glaciology
- Earth Surface Studies Group (University of Leeds)
- Earthquake Maps and Reports
- Earthquakes Worldwide
- EarthWaves
- Geodynamics at NASA/Goddard Space Flight Center
- Geological and Mineralogical Software
- Grand Canyon Site
- Mineralogy
- Mount St. Helens
- NASA Inspire Program
- NASA Investigation Volcanology Team
- National Snow and Ice Data Center
- New York Geologic Resource Page
- NOAA - National Geophysical Data Center Marine
- Powder Page
- Project Earth
- Rob's Granite Page
- Tectonic Evolution With Weldon Beauchamp
- U.S. Geological Survey
- USGS National Earthquake Information Center
- Volcano Page
- VolcanoWorld
- World-Wide Earthquake Locator
- Worldwide Volcanic Reference Map
- Zhaobo's Wavelet Seismic Inversion Lab
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e-mail: mpurdy@plymouth.k12.ma.us
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