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The Richter scale is a logarithmic (base 10) scale, so each whole number increase (or decrease) is a tenfold change.

A 5.0 quake is ten times as powerful as a 4.0.

Q: What is the difference Between a Richter magnitude 4.0 and 5.0 earthquake in terms of wave amplitude and energy released?

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An earthquake with a magnitude of 5.0 has a shaking amplitude 10 times that of an earthquake with a 4.0 magnitude.

The magnitude of an earthquake is the amount of energy released at the source of the earthquake and is measured by a seismograph. Intensity is shaking strength of an earthquake at a particular location.

The magnitude of an earthquake is caluated to measure the amount of energy released during the earthquake.

The larger the magnitude of the earthquake, the larger the energy to be released by the earthquake.

The amplitude of seismic waves from an earthquake is is measured by a seismometer. From this an estimate can be made of the amount of energy released by an earthquake (this is known as magnitude). The magnitude of an earthquake is controlled by the amount of energy stored within the deformed rocks of the crust. This is in turn a function of the elastic moduli of the crust, the cross sectional area of the fault rupture zone and the amplitude of the displacement on the fault.

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An earthquake with a magnitude of 5.0 has a shaking amplitude 10 times that of an earthquake with a 4.0 magnitude.

A magnitude scale is simply a metric for quantifying the energy released in an earthquake and the amplitude of the waves the earthquake emits. The most well-known magnitude scale in America is the Richter scale, which is equated in base 10 (that is, an earthquake that scores 5.0 on the Richter scale will have an Amplitude ten times greater than that of an earthquake that scores a 4.0 on the Richter scale).

Every change of 1 on the Richter scale increases the amplitude of the measured seismic waves of the earthquake by a factor of 10 and the energy released scales with the shaking amplitude based on the following: Change in energy released = (10^Md)^(3/2) Where Md = difference in magnitude between two earthquakes (in the example above this is 3.0) Therefore a magnitude 6.0 earthquake releases (10^3.0)^(3/2) = 31,622 times more nergy than a magnitude 3.0 earthquake and has seismic waves with 1000 times larger amplitude.

Earthquakes do not have mass as such. Rather they have magnitude and intensity. Magnitude is the amount of energy released by the earthquake so should ultimately have units in joules. Both earthquake magnitude and intensity can be estimated from the amplitude of seismic waves as recorded on a seismometer.

Each increase by one magnitude corresponds to a release of energy 31.6 times that released by the lesser earthquake.Since 7 is 3 magnitudes higher than 4, the magnitude 4 earthquake has roughly 1/31554th the energy of the magnitude 7.Each increase by one magnitude corresponds to a release of shaking amplitude 10 times that released by the lesser earthquake.Since 7 is 3 magnitudes higher than 4, the magnitude 4 earthquake has 1/1000th the shaking amplitude of the magnitude 7.The amount of energy changes much more rapidly with magnitude than the amount of shaking amplitude. This is a commonly made error.

30 times more energy released. 10 times more ground motion*

The energy released by an earthquake is measured using a seismometer. The amplitude of the seismic waves recorded by a seismometer are in-turn plugged into an equation that gives a value on the magnitude scale.

The Richter scale is a magnitude scale - it measures the amount of energy released by an earthquake. As such tit is a way of quantifying earthquake magnitude and comparing it to other earthquakes.

The magnitude of an earthquake is the amount of energy released at the source of the earthquake and is measured by a seismograph. Intensity is shaking strength of an earthquake at a particular location.

The magnitude of an earthquake is a method of describing how much energy is released when the earthquake occurs. It can be estimated based on the amplitude of the seismic waves released or based on the length of the fault rupture zone, the size of the slip and the elastic modulus of the surrounding rocks. For more information see the related questions.

The earthquake magnitude is a measure of the energy released during an earthquake. The scale is logarithmic, such that a magnitude of 6.0 releases about 32 times more energy than a magnitude 5.0 earthquake, and in turn more than 900 times more energy than a magnitude 4.0 earthquake.

The magnitude of an earthquake is caluated to measure the amount of energy released during the earthquake.