![]() (T) is the time it takes for two successive waves to pass a reference point or Of the wave is the maximum displacement of the particle motions, or the height The distance between two adjacent points on the wave that have similarĭisplacements, one wavelength is the distance between successive crest. There is some basic terminology and physics thatĭescribe the various aspects of wave form and motion. The rod is attached to a pivot to constrain the mass to move in an up The spring-mounted seismometer records the vertical ground motion.Ī spring is attached to the mass which is connected to a rod. The mass is coupled to the Earth by means of a pendulum and a pivot isĪttached to a rod to constrain the mass to move in the horizontal direction This pendulum-mounted seismomometer records horizontal motion. The information is then used to determine earthquake locations, the Measure, amplify and record the motion of the ground. The waves are then detected and recorded by seismometers, which When an earthquake or explosion occurs, part of the energy released isĪs elastic waves that are transmitted through the earth. Seismology is the study of the passage of elastic waves (see below) through theĮarthquake seismology is the best tool to study the interior of the ![]()
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