| Caldera Volcanoes http://volcanodb.com Browse all the currently known volcanoes with map locations, times of eruptions and much more! - (Read more) |
| Earthquakes http://earthquakedb.com Professional earthquake database with information about the currently known earthquakes in history, with RSS feeds and an earthquake - (Read more) |
| Tsunamis http://tsunami.name Professional tsunami database with information about the currently known tsunamis in history, with RSS feeds and a tsunami search engine - (Read more) |