Caldera Volcanoes Browse all the currently known volcanoes with map locations, times of eruptions and much more!- [Details] http://www.volcanodb.com/
PR: 4
Earthquake Largest known earthquake database with statistics and information about locations, magnitudes, with google earth support, search engine and RSS feeds- [Details] http://earthquakedb.com
PR: 2
Tsunami Largest known tsunami database with statistics and information about locations, magnitudes, with google earth support, search engine and RSS feeds- [Details] http://tsunami.name
PR: 2
Granite Colors Information on Granite countertops, Travertine and Marble. Includes images of most types of granites and marble. Site is categorized by light colors and dark colors.- [Details] http://granitecolors.mgcrenovations.us
PR: 2
Super-magnets A series of articles pertaining to the science and technology of magnets and their properties, including the history of discoveries relating to magnets, which lead to the beginning of modern science.- [Details] http://www.mymagneticdomain.com
