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Online Sources for Geology Information
National Geophysical Data Center
Part of the National Oceanic and Atmospheric Administration, the NGDC provides stewardship, products, and services for geophysical data from our Sun to Earth and Earth's sea floor and solid earth environment, including Earth observations from space.
Pacific Northwest Seismic Network
The Pacific Northwest Seismic Network (PNSN) is an organization dedicated to reducing impacts of earthquakes and volcanic eruptions in the states of Washington and Oregon by providing accurate and fast information about earthquakes and ground motions to scientists, engineers, planners, and the public. Our headquarters is at the Department of Earth and Space Sciences at the University of Washington.
Smithsonian Institute's Geologic Time
Created by the Smithsonian Institute's National Museum of Natural History
Geology Organizations and Associations
American Geophysical Union
The American Geophysical Union (AGU), which was established in 1919 by the National Research Council and for more than 50 years operated as an unincorporated affiliate of the National Academy of Sciences, is now a nonprofit corporation chartered under the laws of the District of Columbia. The Union is dedicated to the furtherance of the geophysical sciences through the individual efforts of its members and in cooperation with other national and international scientific organizations.
Geological Society of America
Established in 1888, The Geological Society of America provides access to elements that are essential to the professional growth of earth scientists at all levels of expertise and from all sectors: academic, government, business, and industry.
Association of American State Geologists
The Association of American State Geologists (AASG) represents the State Geologists of the 50 United States and Puerto Rico. Founded in 1908, AASG seeks to advance the science and practical application of geology and related earth sciences in the United States and its territories, commonwealths, and possessions.
American Federation of Mineralogical Societies
To promote popular interest and education in the various Earth Sciences, and in particular the subjects of Geology, Mineralogy, Paleontology, Lapidary and other related subjects, and to sponsor and provide means of coordinating the work and efforts of all persons and groups interested therein; to sponsor and encourage the formation and international development of Societies and Regional Federations and by and through such means to strive toward greater international good will and fellowship.
Online Resources for Geology
Collins Library provides access to many resources for geology research, but there are also a huge variety of free online web sites available for everything from serious research to satisfying curiosity to making art. Just a small portion are collected here. Send me an email if you have a suggestion of a web site to add to this page!
Geologic Time infographic via the Geologic Soicety of America Click here for full-size version (opens as PDF).
Geology Online Learning Tools