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