Tsunami Information Largest known tsunami database with statistics and information about locations, magnitudes, with google earth support, search engine and RSS feeds http://tsunami.name
Earthquake Largest known earthquake database with statistics and information about locations, magnitudes, with google earth support, search engine and RSS feeds http://earthquakedb.com
Volcano Statistics Browse all the currently known volcanoes with map locations, times of eruptions and much more! http://volcanodb.com