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Seismometers are instruments that measure motion of the ground, including those of seismic ... In other systems the weight is allowed to move, and its motion produces a voltage in a coil attached to the mass and moving ... Originally, European seismographs were placed in a particular area after a destructive earthquake.


The part of a seismograph that does not move during an earthquake is the? The part of a ... During an earthquake the ground surface moves? in any direction.


Mar 11, 2010 ... During an earthquake, the seismometer remains still while the case around it ... different speeds and through different parts of the Earth during a quake. ... measure movement in one direction, many seismograph stations have ...


The seismic waves shake the earth as they move through it, and when the ... The difference in position between the shaking part of the seismograph and the ...


Jan 3, 1997 ... If you are facing a right-lateral fault, during an earthquake ... of the fault moves to the right · the opposite side of the fault moves down ... It takes at least ___ seismographs at different locations to locate earthquakes accurately.


A seismograph, in its simplest form, is built with a free-hanging needle that ... below it moves back and forth with the motion of the earth during the earthquake. ... (3) If you are in a moving car, pull over to the side of the road and out of the way ...


You are free to move around from one part of the lesson to another by clicking on the ... Perhaps you remember being in an earthquake--the ground rumbles, hanging lamps ... Today geologists measure earthquake waves with a seismograph.


The plate's movement permitted a reflected light to shine through the slit, ... Today , three types of seismographs are used in earthquake research, each with a ...


A seismogram is the record of ground movement detected by ... of P, S, and surface waves explain how a single seismograph station can ... shearing S wave has mostly side-to-side motion; 3) The ... the earthquake source in all directions. The.


The height to which the liquid was washed up the side of the vessel indicated ... When there is an earthquake, everything in the seismograph moves except the ...