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6 ημέρες πριν · Earthquake, any sudden shaking of the ground caused by the passage of seismic waves through Earth’s rocks. Earthquakes occur most often along geologic faults, narrow zones where rock masses move in relation to one another.
A seismic hazard zone describes an area with a particular level of hazard due to earthquakes. 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 is the probability that an earthquake will occur in a given geographic area, within a given window of time, and with ground motion intensity exceeding a given threshold. [1][2] With a hazard thus estimated, risk can be assessed and included in such areas as building codes for standard buildings, designing larger buildings and in...
A geologic hazard or geohazard is an adverse geologic condition capable of causing widespread damage or loss of property and life. [1] These hazards are geological and environmental conditions and involve long-term or short-term geological processes.
1 Ιαν 2016 · Damage zones are regarded as a key factor in a variety of geologic fields, such as the deformation processes associated with faulting (e.g. Chester et al., 1993, Schulz and Evans, 1998, Wilson et al., 2003), strain distribution and deformation history in a region (e.g. Scholz and Cowie, 1990, Walsh et al., 1991, Marrett and Allmendinger, 1992 ...
28 Νοε 2023 · An earthquake is defined as the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth’s lithosphere that creates seismic waves. This release of energy usually occurs because of the movement of tectonic plates beneath the Earth’s surface.
‘A geological hazard is a geological condition, process or potential event that poses a threat to the health, safety, or welfare of a group of citizens or the functions or economy of a community or larger governmental entity’ (US Geological Survey, 1977, p. 19, 292).
