what tool measures the intensity of waves in earthquakes
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What instrument measures earthquakes? The instrument used to measure earthquakes is called a seismometer, which measures the motions of the ground. The old term for this was a seismograph (where the equipment for measuring and plotting the data was combined unlike in the modern equipment where these functions are separate).
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Richter scale Quantitative measure of earthquake-strength (magnitude) that indicates the seismic energy released by an earthquake at its epicenter (measured from a distance of 100 miles) on a 1 to 10 scale. It is a logarithmic scale: an increase of 1.0 in measurement corresponds to an increase of 10 times in the magnitude. The most powerful earthquakes recorded so far had a magnitude of 8.6, and occurred in 1920 in the Gansu province of China. Developed in 1935 by the US seismologist Charles F. Richter (1900-1985) of the California Institute of technology. Earthquake-intensity is measured on the Mercalli scale. Use Richter scale in a sentence. A massive earthquake of epic proportion struck the coast of California early last Sunday morning, measuring a whopping 9.0 on the Richter Scale.
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What is the difference between the Richter and Mercalli scale? while both the mercalli scale and richter scale measure the intensity of an earthquake they do so in different ways mercalli measures the effects of an earthquake on observable by quantifying damage to the earth s surface humans objects of nature and man made structures
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- A seismometer is a device that measures the vibrations made be earthquakes. (seismic waves) Seismic waves consist of P(primary) waves LONGITUDIUAL think of them as PUSH AND PULL waves because they move buildings up or down.
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What Two Scales Are Used to Measure Earthquakes? A: The Richter scale is used to quantitatively measure the magnitude of an earthquake. This tool was devised by the seismologist Charles F. Richter in 1935. Full Answer >
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Earthquake Monitoring In contrast, modern seismometers detect and convert any small movement in the Earth into an electrical signal for use in computer systems, as shown in the digital seismogram image of five seismic sensors which detected the magnitude 5.4 earthquake near Moe in Victoria on 19 June 2012. Earthquakes are detected by scientific instruments called seismometers. The word seismo originates from the Greek word seismos which means to shake or move violently and was later applied to the science and equipment associated with earthquakes.
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How is the richter scale used? The Mercalli scale is more meaning full scale which measure the intensity of quakes at different places.Please read this to know more on this. There are two different scale to measure the earthquakes. One is the famous Richter scale. You can measure the energy release at the point of focus from a distant place with the use of seismograph.
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- The seismometer detects and measures the earthquake vibrations or shock waves that the seismograph records. The scale used to measure the strength of an earthqauke is most com…monly the Richter Scale. Seismograph and Seismogram its called a Seismograph There are two instruments, which are basically the same thing.
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Earthquakes and Volcanoes The scale is normally seen from 0-10, but in theory could go above this. The scale measures the amplitude of waves on a seismograph. An earthquake of 5.0 is ten times stronger than one of 4.0. The largest earthquake ever recorded was a 9.5 of the coast of Chile in 1960. Seismograph: The name commonly given to
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- The Moment magnitude scale (used for earthquakes larger than magnitude 7) and Richter scales can both be used to measure earthquake magnitude (the energy released) although se … ismologists now predominately use the moment magnitude scale. Earthquake intensity is measured using the Modified Mercalli Scale or the European Macroseismic Intensity Scale (essentially a tweaked version of the Moddified Mercalli Scale). The Moment Magnitude Scale is used by seismologists to rate the energy released by earthquakes, replacing the now outdated Richter or Local Magnitude Scale (still commonly used in the media). Earthquake severity is measured using the Modified Mercalli Intensity Scale.
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Moment magnitude scale Moment magnitude scale. The moment magnitude scale (abbreviated as MMS; denoted as MW or M) is used by seismologists to measure the size of earthquakes in terms of the energy released. The scale was developed in the 1970s to succeed the 1930s-era Richter magnitude scale (ML).
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Measuring earthquake magnitude and intensity Although an earthquake's magnitude and intensity measurements are not precisely comparable, they can, in general, be correlated when intensity measurements nearest the epicenter are used in the comparison. The magnitude of earthquakes occurring before the introduction of the Richter scale are estimated based on reported damage and intensity.
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Ch 16 The Modified Mercalli Scale determines earthquakes intensity, a measure of an earthquakes' effect on people and buildings. t Both P-waves and S-waves can pass through_
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Measuring the Size of an Earthquake Measuring the Size of an Earthquake. Seismic waves are the vibrations from earthquakes that travel through the Earth; they are recorded on instruments called seismographs. Seismographs record a zig-zag trace that shows the varying amplitude of ground oscillations beneath the instrument.
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10. What type of instrument measures seismic waves? A. Mercalli scale B. Seismic scale C. Seismometer D. Seismogram 12. All the processes that form mountain ranges are known as A. island arcing. B. compressive forces. C. arch vibrations. D. orogeny. Student Answer: B Answer: Incorrect Reference: 13. _______ magma causes powerful and explosive volcanic eruptions. A. Andesitic B. Basaltic C. Rhyolitic D. Composite Student Answer: A Answer: Incorrect Reference: 14. Lava and other materials that are launched from a volcano into the air are referred to as A. basalts. B. magma. C. flows. D. tephra. Student Answer: C Answer: Incorrect Reference: 18. The three types of seismic waves produced by an earthquake are primary, secondary, and A. elastic. B. surface. C. sedimentary. D. atmospheric. Student Answer: C Answer: Incorrect Reference: 19. _______ describes all the processes associated with the discharge of magma, hot fluids, ash, and gases. A. Thermal energy B. Hydraulic energy C. Magnetism D. Volcanism Student Answer: C Answer: Incorrect Reference: 20. Which statement best describes the Richter scale? A. It's a test given to all geologists. B. It's a numerical system that measures the smallest seismic waves during an earthquake. C. It's named after a scientist who studied tornadoes. D. It's a numerical rating system that measures the largest seismic waves during an earthquake. A. It's a test given to all geologists. B. It's a numerical system that measures the smallest seismic waves during an earthquake. C. It's named after a scientist who studied tornadoes. D. It's a numerical rating system that measures the largest seismic waves during an earthquake.
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Measuring Earthquakes Measuring Earthquakes. The recent earthquake that hit northeastern Japan was measured at 9.0 on the Moment Magnitude Scale (MMS). Scientists known as seismologists use the MMS to determine the magnitude (strength) of an earthquake. The MMS measures the total energy of an earthquake, called the seismic moment.
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How does the Mercalli scale measure an earthquake? Answer by SBDW1 _. Confidence votes 23.9K. The Mercalli scale allocates a value to an earthquake based on the perceived shaking in a specific area as well as the damage to buildings and infrastructure that has occurred.
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- Richter scale. Magnitude is a measure of the amount of energy released during an earthquake, and you've probably heard news reports about earthquake magnitudes measured using the Richter scale. Something like, A magnitude 7.3 earthquake struck Japan today.
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How do scientists measure earthquakes? It is a measure of the largest seismic wave recorded on a particular kind of seismograph located 100 kilometers (about 62 miles) from the epicenter of the earthquake. Think of a seismograph as a kind of sensitive pendulum that records the shaking of the Earth.
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How do scientists measure earthquakes? How do scientists measure earthquakes? With a really big ruler? No, not quite. There are two ways in which scientists quantify the size of earthquakes: magnitude and intensity. You have probably heard of the Richter scale which is still used for small earthquakes, but most large earthquakes are now commonly reported using the moment magnitude scale (see below). Richter scale
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Earthquake The power of an earthquake is measured using a seismometer. A seismometer detects the vibrations caused by an earthquake. It plots these vibrations on a seismograph. The strength, or magnitude, of an earthquake is measured using the Richter scale. The Richter scale is numbered 0-10. Earthquakes measuring just one or two on the scale are very common and can happen everyday in places like San Francisco.
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Richter Scale and Mercalli Scale mercalli scale. measures earthquake damage, the level of intensity of the earthquake, and the effect of the event on people. richter scale. used to describe the amount of energy released in an earthquake.
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Measuring Earthquakes Measuring Earthquakes The vibrations produced by earthquakes are detected, recorded, and measured by instruments call seismographs. The zig-zag line made by a seismograph, called a seismogram, reflects the changing intensity of the vibrations by responding to the motion of the ground surface beneath the instrument.
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Earthquake The aftermath of an earthquake, Golcuk, Western Turkey. The power of an earthquake is measured using a seismometer. A seismometer detects the vibrations caused by an earthquake. It plots these vibrations on a seismograph. The strength, or magnitude, of an earthquake is measured using the Richter scale. The Richter scale is numbered 0-10. 1  Earthquakes measuring just one or two on the scale are very common and can happen everyday in places like San Francisco. 2  These earthquakes are so small that people cannot feel them, they can only be picked up by a seismometer.