Glossary of Natural Hazards and Geological Processes, Quizzes of Geology

Download Glossary of Natural Hazards and Geological Processes and more Quizzes Geology in PDF only on Docsity! TERM 1 Natural Hazard DEFINITION 1 A threat of a naturally occurring event that will have a negative effect on people or the environment. TERM 2 Creep DEFINITION 2 Slow downhill movement of regolith TERM 3 Solifluction DEFINITION 3 Slow downhill movement of tundra. TERM 4 Slumping DEFINITION 4 Sliding of regolith as coherent blocks. TERM 5 Mudflow DEFINITION 5 Water-rich movements. TERM 6 Debris Flow DEFINITION 6 A mudflow with many large rocks. TERM 7 Lahar DEFINITION 7 A volcanic mud or debris flow. Volcanic ash from recent or ongoing eruptions. Water from heavy rains or melted glacial ice. TERM 8 Landslide DEFINITION 8 Sudden movement of rock and debris down a nonvertical slope. TERM 9 Avalanche DEFINITION 9 Turbulent clouds of debris and air. TERM 10 Angle of Repose DEFINITION 10 Based on particle size, shape and surface roughness. The angle of the slope that debris tends to pile up before falling.