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