Definition Of A Hazard Zone

Zone a areas subject to inundation by the 1 percent annual chance flood event generally determined using approximate methodologies.

Definition of a hazard zone. 2 at hazard at risk. Multiple hazard zones are places where two or more natural hazards occur and in some cases interact to produce complex disasters. Examples are california indonesia and japan. Hazard zone means one of four levels of hazard hazard zones a through d assigned to gases as specified in 173 116 a of this subchapter and one of two levels of hazards hazard zones a and b assigned to liquids that are poisonous by inhalation as specified in 173 133 a of this subchapter.

Flood hazard boundary map fhbm special hazard area. A material poisonous by inhalation as defined in 171 8 of this title that meets the criteria for hazard zone b as specified in 173 116 a or 173 133 a of 49 cfr in a bulk packaging capacity greater than 450 l 119 gallons. Definition of hazard zone hazard zone means an area in which an explosive atmosphere is present or may be expected to be present in quantities such as to require special precautions for the construction installation and use of potential ignition sources. In danger 3 a thing likely to cause injury etc.

Flood related erosion area management. Local stormwater drainage systems are not normally considered in a community s flood insurance study. A hazard zone is based on the lc50 value for. Areas of moderate or minimal hazard are studied based upon the principal source of flood in the area.

Typically a high seismic hazard zone is nearest a seismic zone where there are more earthquakes and a lower seismic hazard zone is farther away from a seismic zone. A seismic hazard zone describes an area with a particular level of hazard due to earthquakes. Are geologically young with unstable mountain zones prone to landslides. 1 exposure or vulnerability to injury loss evil etc.

Are tectonically active and so earthquakes and often eruptions are common.