Hurricanes-from World Book World Book Encyclopedia takes a look at hurricanes, including how they behave, how to protect buildings from them, and how they affect ecosystems.
Cascades Volcano Observatory The U.S. Geological Survey'sCascades Volcano Observatory Website, which focuses on hazards...
Global Volcanism Program The Global Volcanism Program (GVP) seeks better understanding of all volcanoes through documenting their eruptions--small as well as large--during the past 10,000 years.
Hawaiian Volcano Observatory A comprehensive overview of the U.S. Geological Survey's Hawaiian Volcano Observatory and the volcanoes of Hawai`i
Volcano Hazards Program A comprehensive overview of the U.S. Geological Survey's Volcano Hazards Program and current volcanic activity in the United States.
Volcano Watch Description of the lava-flow hazards on Mauna Loa Volcano, Hawai`i based on historical eruptions, topography, and the recent eruption history.