Download the Google Earth Software to search for specific locations worldwide via satellite imagery, topographical or geographical maps.

"Scirus is the most comprehensive science-specific search engine available on the Internet. Driven by the latest search engine technology, it enables scientists, students and anyone searching for scientific information to chart and pinpoint data, locate university sites and find reports and articles quickly and easily. It was launched by Elsevier Science, the leading international publisher of scientific information."

3D Geology of National Parks: 3-D image gallaries of US national parks provided by the U.S. Geological Survey. To view the 3-D images you will need red/blue 3-D glasses, regular images are also available.

ABOUT search engine - Geology: This subject search engine offers links to geology dictionaries, state geologic maps, guides to rocks and minerals. Topics include: volcanoes, earthquakes, tectonics, fossils, landforms and structures.

California Geological Survey: Links to geological sites prepared by the California Division of Mines and Geology. This site includes the geology of major metropolitan areas in California including digital images of earthquake faults and maps of seismic hazard zones.

California Geology Index : "The California Geology magazine is no longer being published however the California Geological Survey has provided an index to back issues. The index dates back to 1991 and shows issues of California Geology that are available. "

California Geotour: "An interactive index of Web pages of geologic field trip guides and related Web sites compiled by the California Geological Survey."

California Official Home Page: This official site for the State of California includes links to State Government Services, agency directories and indexes to government documents.

CiteSeer: A research index to digitized scientific documents and other literature sponsored by The National Science Foundation and Nasa. Search capability provided by Google and hosted by Penn State's College of Information Sciences and Technology.

Digital Library for Earth System Education: "DLESE supports Earth system science education by providing access to high-quality collections of educational resources, eEarth data sets and imagery, including the tools and interfaces that enable their effective use in educational settings. Support services are intended to help educators and learners effectively create, use, and share educational resources. Communication networks are provided to facilitate interactions and collaborations across all dimensions of Earth system education."

Earth and Ocean Sciences: "This site is a gateway to government science information and research results and provides a search of over 36 scientific databases and 200 million pages of science information with just one query, and is a gateway to 1,850+ scientific websites. Two major types of information are included—selected authoritative science websites and databases of technical reports, journal articles, conference proceedings, and other published materials."

Earth Sciences & Map Library: This site offers a collection of maps, aerial photographs, a geography collection and internet resources.

Earth Science World: Earth Science World offers information on geoscience, and provides acces to it's image bank, which contains photographs of all aspects of Earth Science, available to the public, educators, and the geoscience community free of charge.

Encyclopedia of Earth: The EOE is an "electronic reference about the Earth, its natural environments, and their interaction with society. The Encyclopedia is a free, fully searchable collection of articles written by scholars, professionals, educators, and experts who collaborate and review each other's work. The articles are written in non-technical language and will be useful to students, educators, scholars, professionals, as well as to the general public."

Energy Citations Database: "The Energy Citations Database (ECD) provides free access to over 2.3 million science research citations from 1948 through the present, with continued growth through regular updates. There are over 179,000 electronic documents, primarily from 1994 forward, available via the database. Citations and documents are made publicly available by the U.S. Department of Energy (DOE)."

Energy Science and Technology Virtual Library: "EnergyFiles is a virtual library of over 500 science and technology databases and Web sites. Sponsored, developed, and maintained by the Department of Energy's Office of Scientific and Technical Information (OSTI), this site provides access to information, tools, and technologies relevant to the Department of Energy (DOE), with an emphasis on the physical sciences. This page contains an enhanced alphabetical listing of all resources available through the service. It can be used for locating a specific collection or resource or for browsing the entire list of resources. Organization of resources by subject area is available through the Subject Pathways."

Geology Central by Santa Monica College: Offers a "Virtual Geology Field Trip" with many links to different kinds of land formations such as beaches, deserts, earthquake faults etc. with related links to each. Under links are categories such as Academic Institutions, Beaches, Deserts, etc.

Geology and Earth Science Highlights : List of links in such categories as Plate Tectonics, Tsunamis, Earthquakes, Floods, Hazards, Landslides, Maps, Seafloor Geology, and more. Geology.com is published by Hobart M. King, Ph.D., Associate Professor of Geology at Mansfield University of Pennsylvania. Dr. King holds degrees in geology from California, University of Pennsylvania (B.S. 1975) and West Virginia University (M.S. 1978, Ph.D. 1982).

Geophysics and Geochemistry: About.com search engine provides a subject directory to websites in geology and other earth sciences.

International Tsunami Information Centre: "ITIC maintains and develops relationships with scientific research and academic organizations, civil defense agencies, and the general public in order to carry out its mission to mitigate the hazards associated with tsunamis by improving tsunami preparedness for all Pacific Ocean nations."

Links for Mineralogists: This site contains subcategorized, annotated lists of web sites, especially for mineralogists, petrologists, crystallographers, geologists.

Living Earth: Includes accurate composites of stars, the Earth, the moon, and Mars. Under Earth is a more detailed composite and the ability to zoom in on one particular area of the earth.

Michigan Technological University Volcanoes Page: "Provides information about volcanoes to the public and complements other informational sites on the web."

Mineral Database: "This mineral database contains 4,442 individual mineral species descriptions with links and a comprehensive image library. Mineral data for individual species are linked to mineral tables by crystallography, crystal structures, X-Ray powder diffraction, chemical composition, physical and optical properties, Dana's New classification, Strunz classification, mineral specimen images, and alphabetical listings of mineral species. There also are extensive  links to other external sources of mineral data and information."

Mineralogy: "This mineral database contains 4,442 individual mineral species descriptions with links and a comprehensive image library."

Monitoring the Environment in Real-Time: Real-time Educational Monitoring Of The Environment (REMOTE) is a new interdisciplinary project that will provide students with real-time access through a web site to data on environmental conditions at UC-Davis field sites. Use these links to related sites. Managed by Guillermo Jimenez, Department of Land, Air, and Water Resources at University of California, Davis.

National Geologic Map Database: The USGS site for geoscience resources including maps and related data about geology, hazards, earth resources, geophysics, geochemistry, geochronology, paleontology, and marine geology.

National Geophysical Data Center: "This site provides scientific products and services for geophysical data describing the sea floor, solid earth and solar-terrestrial environment, including Earth observation from space."

Ocean Co2: This site is under the direction of the U.S. Department of Energy, Environmental Science Division. The site provides data on global coastal programs, waves research, and global ocean surface data related to carbon dioxide analysis.

Portland State University Geological Links: A comprehensive directory to Internet websites in geology.

Spatial Data Sources: The Department of Geography in the Ohio State University has prepared a selection of links to geophysical resources selected by Numerical Cartography Laboratory.

Structural Geology: "This is a collection of hypertext links to assorted structural geology and tectonics resources available on the world-wide web that was developed originally by Steven Schimmrich while a graduate student at the University of Illinois."

U.S. Geological Survey: "The United States Geological Survey provides scientific information to describe and interpret America's landscape by mapping the terrain, monitoring changes over time, and analyzing how and why these changes have occurred." Includes a list of links to major volcanoes, earthquake sites and water resources information.

USGS Education: California: "This website presents selected examples of maps and educational reference materials about California that are available free on the Web. Note that many thousands of publications exist that deal with California geography, geology, and natural resources and hazards, and many of these can be found with simple topical searches on the Web."

USGS Library: "Materials within the library system include books and maps dating back to the 16th and 17th centuries. Other materials include a nearly complete set of the various State Geological Survey publications and a virtually complete set of USGS topographic maps."

University of Adelaide Library: A selected subject guide designed to help Geology students find geological information on the Web.

Wind Energy Resource Atlas: "This atlas estimates wind energy resource for the United States and its territories. and indicates general areas where a high wind resource may exist. This information is valuable to wind energy developers and potential wind energy users because it allows them to choose a general area of estimated high wind resource for more detailed examination."

American Avalanche Association: This association provides online access to the following publicaton: "Snow, Weather, and Avalanches: Observational Guidelines for Avalanche Programs in the United States. In addition, the Association has made selected articles from their journal entitled Avalanche Review available in full-text from 1982 to the current issue.

American Federation of Mineralogical Societies: The AFMS is a non-profit educational federation of seven similar regional organizations of gem, mineral and lapidary societies.

Atlapedia Online: "This online Atlas contains full color physical maps, political maps as well as key facts and statistics on countries of the world. The **Countries A to Z** section, provides facts, figures and statistical data on geography, climate, people, religion, language, history, economy & more."

Atlas of Our Changing Environment: "This interactive atlas from the United Nations Environment Programme provides useful information to all interested in both natural and human-made changes in our planet over the last 30-40 years."

Earthquake Hazards Program: The USGS Northern California Region website provides very technical information on recent earthquakes and earthquake hazard for the Western Region of the United States.

El Dorado County website: The Official website for El Dorado Country, which includes resources such as EIR reports.

Geology: Plate Tectonics: University of California at Berkeley Geology Department has provided links to the history behind plate tectonics, the mechanism driving plate tectonics and animations covering the last 750 million years.

Gheos World Atlas 2001: Features maps, flags, anthems, statistical information, weather reports, history and travel info and tips on all travel destinations in the world.

Global Volcanism Program: "The Smithsonian's Global Volcanism Program seeks better understanding of all volcanoes through documenting their eruptions - small as well as large - during the past 10,000 years."

Goddard Space Flight Center: "The mission of the Goddard Space Flight Center is to expand knowledge of the Earth and its environment, the solar system and the universe through observations from space. The Center, located in a Maryland suburb outside of Washington, DC, is home to the Nation's largest organization of combined scientists and engineers dedicated to learning and sharing their knowledge of the Earth, solar system, and Universe."

How Volcanoes Work: "An educational resource that describes the science behind volcanoes and volcanic processes. The site is sponsored by NASA under the auspices of Project ALERT (Augmented Learning Environment and Renewable Teaching). It is intended for the education of university students of geology and volcanology and teachers of earth science. This website was constructed by Dr. Vic Camp (copyright), Department of Geological Sciences, San Diego State University."

Mariana Islands: "The Mariana Islands are a classic example of an island arc, a curved line of stratovolcanoes that rise up from the ocean floor." The information on this page is provided by the Department of Geosciences at Oregon State University.

Marine Realms Information Bank: "The U.S. Geological Survey (USGS) provides three digital libraries for coastal and marine science to serve the needs of a diverse audience-scientists, public servants, educators, and the public."

Mineralogical Society of America: "The MSA was founded in 1919 for the advancement of mineralogy, crystallography, geochemistry, petrology, and promotion of their uses in other sciences, industry, and the arts."

NRCS Soils Website: "Soils is part of the National Cooperative Soil Survey, an effort of Federal and State agencies, universities, and professional societies to deliver scientifically-based soil information." - "The Soil Extent Mapping (SEM) Tool displays interactive national maps of soil series, based on land area."

Ocean Explorer: "This site is designed to provide the public with information on NOAA's ocean exploration activities, especially those being undertaken as part of NOAA's new ocean exploration initiative. It is managed by the National Oceanic and Atmospheric Administration, U.S. Department of Commerce."

Plate Tectonics: Plate Tectonics describes the intricate design of a complex, living planet in a state of dynamic flux.

Space Science and Engineering Center: "SSEC is a research and development center with primary focus on geophysical research and technology to enhance understanding of the atmosphere of Earth, the other planets in our Solar System, and the cosmos. SSEC sometimes explore the universe from space and terrestrial-based telescopes, and probe other planets in our solar system, but more often we examine the Earth to gain information and insight into weather, climate, and other aspects of Earth's global environment."

USGS Geo Data: "Use GEO-DATA Explorer (GEODE) to access, view, and download information from geo-spatial databases containing a broad spectrum of data produced by the USGS and other government agencies."

Visible Earth: This site provides a catalog of NASA images and animations of our home planet.

VolcanoWorld: This site provides comprehensive information on volcanoes, including photos of recent eruptions. The information on this page is provided by the Department of Geosciences at Oregon State University.

Voyage to the Deep: This site features deep sea information including topics on the seafloor and toxic chemistry, plus a video voyage to the hydrothermal vent sites in the Sea of Cortes. The site is sponsored by the University of Delaware Graduate College of Marine Studies, WHYY-TV and The National Science Foundation.

Water Resources Reports: This site provides "USGS reports on water resources. Most publications located at this site and other USGS sites can be located by subject, author, date, USGS series or publication series number by using the reports and thematic maps electronic Publications Warehouse."

Weather Underground: Go here to get local weather information in the United States and the World.