We have made a concerted effort to search the Web for relevant material, but no matter how hard we try there will always be more information available than we can possibly examine.

However, the following list contains links to many of the most interesting and informative Web sites related to topics explored in the chapter that we were able to locate. Check them out, but make sure you come back to do more investigating when you're done.

American Geophysical Union (AGU)

For over 75 years, American Geophysical Union (AGU) researchers, teachers, and science administrators have dedicated themselves to advancing the understanding of the Earth and its environment in space and making the results available to the public.

Dynamic Earth Tutorial (USGS)

Here is an excellent online, interactive plate tectonics tutorial from the United States Geological Survey.

Hawaii Undersea Geo-Observatory (HUGO)

The Hawaii Undersea Geo-Observatory (HUGO) is an automated submarine volcano observatory installed on the summit of the undersea Loihi seamount and connected to the shore via fiber optic cable.

JOIDES Resolution Page

The JOIDES Resolution is the drillship of the Ocean Drilling Program.

Map of Plate Boundaries (NEIC)

Here is a map of plate boundaries from the National Earthquake Information Center.

Marine Geology & Geophysics (NGDC)

The Marine Geology & Geophysics Division of the NOAA National Geophysical Data Center (NGDC) and the collocated World Data Center for Marine Geology and Geophysics (WDC-A for MGG) compiles and maintains extensive databases in both coastal and open ocean areas.

Nordic Volcanological Institute

This site contains the geology and tectonics of Iceland.

Ocean Drilling Program

The Ocean Drilling Program home page has links to related agencies and institutions.

Ocean Floor Ages Map

Here is a great global map illustrating ocean floor ages from NOAA.

Ocean Floor Animations

This site provides a good visualization of the Pacific hemisphere plate tectonic history along with other related animations.

Ocean Floor Datasets

This site offers ocean floor data and images from Columbia University.

Plate Motion Calculator

Here is an interactive plate motion calculator from the University of Tokyo.

Plate Motion Calculator (UNAVCO)

This program is designed for the calculation of plate motion at any location on Earth. You can specify the tectonic plate or, with the AUTO option, let the program determine which plate the point is on. The program returns with the plate model velocity components (Evel, the east velocity, and Nvel, the north velocity) in mm/yr.

Plate Tectonics Activity (Geosphere)

An excellent interactive activity on plate tectonics from the University of Montana's Geosphere. With this activity learners use current satellite images to determine sea floor spreading rates, identify relationships between earthquake epicenters and sites of active volcanism, and create a scale model of the Earth's layered structure.

Plate Tectonics Animations

Here are great plate tectonics animations from the United States Geological Survey - a must see!

Plate Tectonics Information (NEIS)

This site offers National Earthquake Information Center (NEIS) plate tectonics information.

Plate Tectonics Information (USGS)

The United States Geologic Survey (USGS) has information on plate tectonics and sea-floor spreading.

Plate Tectonics Tutorial (1 of 2)

This site has a plate tectonics tutorial from Texas A & M University.

Plate Tectonics Tutorial (2 of 2)

Here is the second plate tectonics tutorial from Texas A & M University.

Related Topics Index

This site contains information on several topics related to plate tectonics from the University of North Dakota's Volcano World.

San Andreas Fault and the Bay Area

Here is a virtual field trip along the San Andreas fault.

Scripps Institution of Oceanography

The Scripps Institution of Oceanography home page features numerous links to related oceanography Web sites.

Seafloor Spreading Calculator

This "Seafloor Spreading Rates Calculator" calculates the spreading rate at any point on mid-ocean ridges. The system is developed and maintained by K. Okino and K. Tamaki of Ocean Research Institute, University of Tokyo.

Tectonic Plate Motion (Space Geodesy)

This site describes plate motion using satellite laser ranging (SLR) technology.

Woods Hole Oceanographic Institution (WHOI)

Scientists at the Woods Hole Oceanographic Institution (WHOI), a world leader in the field of oceanography, have been probing the mysteries of the oceans for more than 65 years.

World Data Center for Marine Geology & Geophysics

The World Data Center for Marine Geology and Geophysics promotes excellence in archiving, managing, and exchanging data obtained from measurements of the seafloor.

Photo/Figure Credits (In Order of Appearance)

• Earth from Space (NASA), (Photo courtesy of NASA)

• Aerial View of the Front of the Himalaya Mountains, A Convergent Plate Boundary, Northeast India (NASA), (Photo courtesy of NASA)

• Subducting Lithosphere Figure, (Copyright © Tasa Graphic Arts, Inc.)

• Plate Boundaries Figure, (Copyright © Tasa Graphic Arts, Inc.)

• Aerial View of the East African Rift Valley, A Divergent Plate Boundary, Ethopia (NASA), (Photo courtesy of NASA)

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