The December, 26, 2004 Indian Ocean tsunami, recent earthquakes in and near Christchurch, New Zealand, earthquake and tsunami near Honshu, Japan and crater collapse and eruption of Pu'u O'o (named the Kamoamoa vent) are examples of the power of geological events and phenomena. People are also fascinated by other geological features, such as caves, deserts, glaciers and mountains. The links below connect to pages containing resources and web sites related to sites dealing with geological features and phenomena, including Caves, Deserts, Earthquakes, Glaciers, Tsunamis and Volcanoes. For information on mountains, see the Geology of the National Parks web site, which is listed in the Regional Geology section of this guide.