Many, although not all, natural hazards are related to geology, including hazards such as earthquakes, tsunamis, landslides, volcanoes and flooding. While many sites in this guide provide information about specific natural hazards, such as earthquakes and volcanoes (located under the Geological Features & Phenomena page), none of them provides general summary of natural hazards. The following sites provide information about and links to additional information on the concept of natural hazards.