A view of the Stikine River near Wrangell and Petersburg. (Courtesy Cindi Lagoudakis) A geologist who has studied Southeast Alaska’s rocks and minerals for decades is creating a new geologic map of ...
Arizona is subject to a wide array of geologic hazards. That includes flooding, debris flows or mudslides, landslides, gradual land sinking (called subsidence) and earth fissures, swelling and ...