
The instrument used to measure earthquake wave is called ________.
A) Seismograph
B) Ritcher scale
C) Barometer
D) None of the above
Answer
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Hint: The shaking of the Earth’s surface resulting from the sudden release of the energy in Earth's lithosphere creates seismic waves. When Earth trembles, earthquakes spread the energy in the form of seismic waves. There is a number of ways to measure the magnitude of the earthquake.
Complete answer:
Seismic waves caused by an earthquake, other Earth-shaking phenomenon or explosion are recorded or measure using the instrument called Seismograph. Seismographs are equipped with few electromagnetic sensors which translate the ground motions into electrical changes. These changes are processed and recorded by the instrument’s digital or analog circuits. The terms seismometer and seismograph are often used interchangeably. However both devices may measure and detect seismic waves, only seismographs have the capacity to record the phenomena. A record produced by the seismograph on a paper printout or display screen is called a seismogram. The seismometer consists of a frame and a mass that can move relative to it. When the ground shakes, the frame starts vibrating, but due to inertia, the mass tends not to move. The difference in the movement between mass and frame is amplified and then recorded electronically.
The network of seismometers is can be used to calculate the source and magnitude of an earthquake in three dimensions. Seismographs can be used to determine:
Magnitude: the size of an earthquake
Depth: How deep the earthquake was
Location: where did the earthquake occur
So, the correct answer is Option A.:
Note: Although seismographs are originally designed to locate natural earthquakes, these instruments have many other uses. These are used in petroleum exploration, monitoring of volcanic activity, and investigation of Earth’s crust and lower layers.
Complete answer:
Seismic waves caused by an earthquake, other Earth-shaking phenomenon or explosion are recorded or measure using the instrument called Seismograph. Seismographs are equipped with few electromagnetic sensors which translate the ground motions into electrical changes. These changes are processed and recorded by the instrument’s digital or analog circuits. The terms seismometer and seismograph are often used interchangeably. However both devices may measure and detect seismic waves, only seismographs have the capacity to record the phenomena. A record produced by the seismograph on a paper printout or display screen is called a seismogram. The seismometer consists of a frame and a mass that can move relative to it. When the ground shakes, the frame starts vibrating, but due to inertia, the mass tends not to move. The difference in the movement between mass and frame is amplified and then recorded electronically.
The network of seismometers is can be used to calculate the source and magnitude of an earthquake in three dimensions. Seismographs can be used to determine:
Magnitude: the size of an earthquake
Depth: How deep the earthquake was
Location: where did the earthquake occur
So, the correct answer is Option A.:
Note: Although seismographs are originally designed to locate natural earthquakes, these instruments have many other uses. These are used in petroleum exploration, monitoring of volcanic activity, and investigation of Earth’s crust and lower layers.
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