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When referring to earthquakes what is the difference between the Magnitude scale and the Richter scale?
The Richter Scale is a Magnitude scale - it is used to calculate the magnitude of small and medium sized earthquakes (those with a magnitude less than 7). The other scales most commonly used for recording Earthquakes are the Moment Magnitude Scale and the Modified Mercalli Intensity Scale.
The Intensity scale of the Earthquake measures the effect of the earthquake at a particular location. In general it is highest at the epicenter and gets lower as you go further. The value of intensity changes from place to place.
The Moment Magnitude scale measures the actual amount of energy released during the Earthquake and is derived based on the rigidity / stiffness of the crust, the length of fault that slipped and it's cross sectional area.
An Earthquake has only one value of magnitude, and it does not change from place to place. The scale is logarithmic.
However the now outmoded Richter scale used a different method of deriving the energy release based on the maximum amplitude of the seismic waves detected on seismometers. As such it was a measurement of the local magnitude (i.e. local to the seismometer) rather than the absolute magnitude of the earthquake.
What else can I help you with?
What is the average magnitude of earthquakes worldwide?
The average magnitude of earthquakes worldwide is around 4.5 on the Richter scale.
What event's magnitude is expressed as a number on the Richter Scale?
An earthquake's magnitude is expressed as a number on the Richter Scale.
What it measured on the Richter scale?
The Richter scale measures the magnitude of seismic waves produced by an earthquake, which provides an estimate of the energy released at the earthquake's source. A higher Richter scale number indicates a stronger earthquake.
Is earthquakes are measured by the Richter scale fact or fantasy?
The Richter scale was commonly used to measure the magnitude of earthquakes, but it has been largely replaced by the moment magnitude scale. The Richter scale was limited in measuring large earthquakes accurately, while the moment magnitude scale provides a more reliable and consistent measurement for seismic events of varying sizes.
What is the magnitude based on the Richter Scael of Popocatepetl?
An earthquake is measured by a seismometer to determine its magnitude on the Richter Scale. The Richter is based on a base 10 logarithm. The scale defines magnitude by a logirithm of the ratio of the amplitude of seismic waves.
What is the difference in the Richter scale and magnitude?
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.
What is the average magnitude of earthquakes worldwide?
The average magnitude of earthquakes worldwide is around 4.5 on the Richter scale.
What is the scale used to magnitude of earthquakes?
Richter Scale~
What do you call the instrument that records the magnitude of the earthquakes?
richter
What event's magnitude is expressed as a number on the Richter Scale?
An earthquake's magnitude is expressed as a number on the Richter Scale.
What is uesd to measure the strength of earthquakes?
The Richter scale and Magnitude
What does a Richter scale indicates about an earthquake?
Measures the magnitude of earthquakes.:)
What scale is used to describe the magnitude of earthquakes?
a Richter scale
What units are typically used to measure the magnitude of earthquakes?
Earthquakes are typically measured using the Richter scale or the moment magnitude scale, which are both units of measurement for the magnitude of earthquakes.
What are the standard units used to measure the magnitude of earthquakes?
The standard units used to measure the magnitude of earthquakes are the Richter scale and the moment magnitude scale.
How are earthqukes classified?
Earthquakes are classified on the Moment Magnitude scale based on the total amount of energy released. A difference of 1 on the scales (say a 5.0 and a 6.0) means an difference in intensity of a factor of 101.5 or approximately 32.
What it measured on the Richter scale?
The Richter scale measures the magnitude of seismic waves produced by an earthquake, which provides an estimate of the energy released at the earthquake's source. A higher Richter scale number indicates a stronger earthquake.
