AA-LAVA -- Accelerometer -- Acid Rain -- Adaptation -- Airphoto and Satellite Imagery -- Albedo -- Antecedent Conditions -- Arsenic in Groundwater -- Asteroid -- Asteroid Impact -- Asteroid Impact Mitigation -- Asteroid Impact Predictions -- Automated Local Evaluation in Real Time (ALERT) -- Avalanches -- Aviation (Hazards to) -- Avulsion -- Base Surge -- Beach Nourishment (Replenishment) -- Beaufort Wind Scale -- Biblical Events -- Body Wave -- Breakwaters -- Building Code -- Building Failure -- Buildings, Structures, and Public Safety -- Calderas -- Casualties Following Natural Hazards -- Challenges to Agriculture -- Civil Protection and Crisis Management -- Classification of Natural Disasters -- Climate Change -- Cloud Seeding -- Coal Fire (Underground) -- Coastal Erosion -- Coastal Zone Risk Management -- Cognitive Dissonance -- Collapsing Soil Hazards -- Comet -- Communicating Emergency Information -- Community Management of Natural Hazards -- Complexity Theory -- Concrete Structures -- Convergence -- Coping Capacity -- Cost-Benefit Analysis of Natural Hazard Mitigation -- Costs (Economic) of Natural Hazards and Disasters -- Creep -- Critical Incident Stress Syndrome -- Critical Infrastructure -- Cryological Engineering -- Cultural Heritage and Natural Hazards -- Damage and the Built Environment -- Debris Avalanche -- Debris Flow -- Deep-seated Gravitational Slope Deformation -- Desertification -- Disaster Diplomacy -- Disaster Relief -- Disaster Research and Policy, History -- Disaster Risk Management -- Disaster Risk Reduction -- Disasters -- Dispersive Soil Hazards -- Doppler Weather Radar -- Dose Rate -- Drought -- Dust Bowl -- Dust Devil -- Dust Storm -- Dvorak Classification of Hurricanes -- Early Warning Systems -- Earthquake -- Earthquake Damage -- Earthquake Prediction and Forecasting -- Earthquake Resistant Design -- Economic Valuation of Life -- Economics of Disasters -- Education and Training for Emergency Preparedness -- Elastic Rebound Theory -- Electromagnetic Radiation (EMR) -- El Niño/Southern Oscillation -- Emergency Management -- Emergency Mapping -- Emergency Planning -- Emergency Shelter -- Epicenter -- Epidemiology of Disease in Natural Disasters -- Erosion -- Erosivity -- Eruption Types (Volcanic Eruptions) -- Evacuation -- Expansive Soils and Clays -- Expert (Knowledge-Based) Systems for Disaster Management -- Exposure to Natural Hazards -- Extensometers -- Extinction -- Extreme Value Theory -- Eyjafjallajökull Eruptions 2010 -- Fault -- Federal Emergency Management Agency (FEMA) -- Fetch -- Fire and Firestorms -- Flash Flood -- Flood Deposits -- Flood Hazard and Disaster -- Flood Protection -- Flood Stage -- Floodplain -- Floodway -- Fog Hazard Mitigation -- Fog Hazards -- Föhn -- Forest and Range Fires -- Frequency and Magnitude of Events -- Frost Hazard -- Fujita Tornado Scale -- Fumarole -- Galeras Volcano, Colombia -- Gas-Hydrates -- Geographic Information Systems (GIS) and Natural Hazards -- Geographic Information Technology -- Geohazards -- Geological/Geophysical Disasters -- Glacier Hazards -- Global Change and its Implications for Natural Disasters -- Global Dust -- Global Network of Civil Society Organizations for Disaster Reduction -- Global Positioning Systems (GPS) and Natural Hazards -- Global Seismograph Network (GSN) -- Haiti Earthquake 2010: Psychosocial Impacts -- Harmonic Tremor -- Hazard -- Hazard and Risk Mapping -- Hazardousness of a Place -- Heat Waves -- High-Rise Buildings in Natural Disaster -- Historical Events -- Hospitals in Disaster -- Human Impacts of Hazards -- Humanity as an Agent of Natural Disasters -- Hurricane (Typhoon, Cyclone) -- Hurricane Katrina -- Hydrocompaction Subsidence -- Hydrograph, Flood -- Hydrometeorological Hazards -- Hyogo Framework for Action 2005-2015 -- Hypocenter -- Ice and Icebergs -- Ice Storms -- Impact Airblast -- Impact Ejecta -- Impact Fireball -- Impact Firestorms -- Impact Tsunamis -- Impact Winter -- Inclinometers -- Indian Ocean Tsunami, 2004 -- Induced Seismicity -- Information and Communication Technology -- Insect Hazards -- Insurance -- Integrated Emergency Management System -- Intensity Scales -- International Strategies for Disaster Reduction (IDNDR and ISDR) -- Internet, World Wide Web and Natural Hazards -- Isoseismal -- Jökulhlaups -- Karst Hazards -- Krakatoa (Krakatau) -- Lahar -- Land Degradation -- Land Subsidence -- Land Use, Urbanization, and Natural Hazards -- Landsat Satellite -- Landslide -- Landslide Dam -- Landslide Impacts -- Landslide Inventory -- Landslide Triggered Tsunami, Displacement Wave -- Landslide Types -- Land-Use Planing -- Lateral Spreading -- Lava -- Levee -- Lightning -- Liquefaction -- Livelihoods and Disasters -- Loess -- Macroseismic Survey -- Magma -- Magnitude Measures -- Marginality -- Marine Hazards -- Mass Media and Natural Disasters -- Mass Movement -- Megacities and Natural Hazards -- Mega-Fires in Greece (2007) -- Mercalli, Giuseppe (1850-1914) -- Meteorite -- Methane Release from Hydrate -- Mining Subsidence Induced Fault Reactivation -- Misconceptions About Natural Disaster -- Mitigation -- Modified Mercalli (MM) Scale -- Monitoring Natural Hazards -- Monsoons -- Montserrat Eruptions -- Mortality and Injury in Natural Disasters -- Mt Pinatubo -- Mud Volcanoes -- Mudflow -- Myths and Misconceptions in Disasters -- Natural Hazard -- Natural Hazards in Developing Countries -- Natural Radioactivity -- Neotectonics -- Nevado del Ruiz Volcano, Colombia 1985 -- North Anatolian Fault -- Nuée Ardente -- Overgrazing -- Ozone -- Ozone Loss -- Pacific Tsunami Warning and Mitigation System (PTWS) -- Pahoehoe Lava -- Paleoflood Hydrology -- Paleoseismology -- Paraglacial -- Perception of Natural Hazards and Disasters -- Permafrost -- Piezometer -- Piping Hazard -- Planning Measures and Political Aspects -- Plate Tectonics -- Pore-Water Pressure -- Post Disaster Mass Care Needs -- Posttraumatic Stress Disorder (PTSD) -- Primary Wave (P-Wave) -- Probable Maximum Flood (PMF) -- Probable Maximum Precipitation (PMP) -- Psychological Impacts of Natural Disasters -- Pyroclastic Flow -- Queensland Floods (2010-2011) and "Tweeting" -- Quick Clay -- Quick Sand -- Radiation Hazards -- Radon Hazards -- Recovery and Reconstruction After Disaster -- Recurrence Interval -- Red Cross and Red Crescent -- Red Tides -- Reflections on Modeling Disaster -- Release Rates -- Religion and Hazards -- Remote Sensing of Natural Hazards and Disasters -- Reservoir, Dams, and Seismicity -- Resilience -- Richter, Charles Francis (1900-1985) -- Rights and Obligations in International Humanitarian Assistance -- Rip Current -- Risk -- Risk Assessment -- Risk Governance -- Risk Perception and Communication -- Rock Avalanche (Sturzstrom) -- Rockfall -- Rogue Wave -- Rotational Seismology -- Sackung -- Saffir-Simpson Hurricane Intensity Scale -- San Andreas Fault -- Santorini, Eruption -- Sea Level Change -- Secondary Wave (S-Wave) -- Sedimentation of Reservoirs -- Seiche -- Seismic Gap -- Seismograph/Seismometer -- Seismology -- Shear -- Shield Volcano -- Sinkhole -- Slide and Slump -- Slope Stability -- Snowstorm and Blizzard -- Social-Ecological Systems -- Sociology of Disaster -- Solar Flares -- Solifluction -- Space Weather -- Storm Surges -- Storms -- Stratovolcanoes -- Structural Damage Caused by Earthquakes -- Structural Mitigation -- Subduction -- Subsidence Induced by Underground Extraction -- Sunspots -- Supernova -- Surge -- Susceptibility -- Tangshan, China (1976 Earthquake) -- Tectonic and Tectono-Seismic Hazards -- Tectonic Tremor -- Thunderstorms -- Tidal Bores -- Tiltmeters -- Time and Space in Disaster -- Tohoku, Japan (2011 Earthquake and Tsunami) -- Torino Scale -- Tornadoes -- Triggered Earthquakes -- Tsunami -- Tsunami Loads on Infrastructure -- Uncertainty -- United Nations Organizations and Natural Disasters -- Universal Soil Loss Equation (USLE) -- Unreinforced Masonry Buildings -- Urban Environments and Natural Hazards -- Usoi Landslide and Lake Sarez -- Vaiont Landslide, Italy -- Vesuvius -- Volcanic Ash -- Volcanic Gas -- Volcanoes and Volcanic Eruptions -- Vulnerability -- Warning Systems -- Waterspout -- Wenchuan, China (2008 Earthquake) -- Wildfire -- World Economy, Impact of Disasters -- Worldwide Trends in Natural Disasters -- Zoning.