The risk that individuals, society or institutions are willing to take.
A situation of event that causes sufficient damage to people, property or society from which recovery is a long and involved process. Also is defined as a serious disaster.
With respect to natural hazards refers to the number of people killed, injured, dislocated, made homeless or otherwise damaged by a hazardous event.
A hazardous event that occurs over a limited span of time in a defined geographic area. Lose of human life and property damage is significant.
A period of months of more commonly years of unusually dry weather.
Generation of earthquake or seismic waves when rocks under stress fracture and break resulting in displacement along a fault.
Inundation of an area by water. Our often produced by processes including intense rain storms, melting of snow, storms surge from a hurricane, tsunami, or failure of a flood protection structure such as a dam.
A period of days of weeks of unusually hot weather. A natural recurring weather phenomenon related to heating of the atmosphere and moving of air masses.
A tropical storm with circulation winds in excess of 120km (74 mi) per hour that moves across warm ocean waters of the tropics.
Effects from a natural hazard or disaster that includes donations of money and goods as well as providing shelter for people and paying taxes that will help finance recovery and relief of emotional distress caused by natural hazardous events.
Comprehensive term for earth materials moving down a slope
Any natural process that is a potential threat to human life and property.
The product of the probability of an event occuring and the consequences should that event occur.
A funnel shaped cloud of violently rotating air that extends downwards from large thunder storms to contact the surface of the earth.
A series of large ocean waves produced after the ocean water is suddenly disturbed vertically by processes such as earthquakes, volcanic eruptions, submarine landslides, or the impact of an asteroid or comet.
Extrusion at the surface of earth of molten rock (magma). Maybe be explosive and violent or less enegetic lava flows.
Self-sustaining rapid oxidation that releases light, heat, carbon dioxide and other gases as it moves across the landscape. Also known as a fire in the natural environment that maybe initiated by natural processes such as lighting strike or deliberately set by humans.