Displacement 06
Displacement 06 : The difference between the initial position of a reference point and any later position. (1) In seismology, displacement is the ground motion commonly inferred from a seismogram. For example it may be calculated by integrating an accelerogram twice or a velocity proportional recording once with respect to time and is expressed in units of length, such as nanometer, micrometer or millimeter. (2) In geology, displacement is the permanent offset of a geological or man-made reference point along a fault or a landslide
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