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The Richter scale ˈ r ɪ k t ər also called the Richter magnitude scale Richters magnitude scale and the GutenbergRichter scale is a measure of the strength of earthquakes developed. An earthquakes seismic moment can be estimated in various ways which are the bases of the Mwb Mwr Mwc Mww Mwp Mi and Mwpd scales all subtypes of the generic M w scale. Richter scale ML quantitative measure of an earthquake s magnitude size devised in 1935 by American seismologists Charles F. The result is called the moment magnitude The moment magnitude provides an estimate of earthquake size that is valid over the complete range of magnitudes a characteristic that was. Magnitude is the size of the earthquake An earthquake has a single magnitude The shaking that it causes has many values that vary from place to place based on distance type of surface..
The Richter and MMS scales measure the energy released by an earthquake Another scale the Mercalli intensity scale classifies earthquakes by their effects from detectable by. Magnitude Earthquake Effects Estimated Number Each Year Usually not felt but can be recorded by seismograph. The lower numbers of the intensity scale generally deal with the manner in which the earthquake is felt by people The higher numbers of the scale are based on observed structural damage. Seismic magnitude scales are used to describe the overall strength or size of an earthquake These are distinguished from seismic intensity scales that categorize the intensity or severity of. The result is called the moment magnitude The moment magnitude provides an estimate of earthquake size that is valid over the complete range of magnitudes a characteristic that was..
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All scales except M w saturate for large earthquakes meaning they are based on the amplitudes of waves that have a wavelength shorter than the rupture. The 20 largest recorded earthquakes in history 1 Wrecked houses in Valdivia Chile after the 1960. Richter scale ML quantitative measure of an earthquake s magnitude size devised in 1935. Largest earthquakes by year 1938 Banda Sea earthquake A tsunami up to 2 meters high was generated without major damage. With an isoseismal map of the observed intensities see illustration an earthquakes magnitude can be estimated from both the maximum..
The Richter and MMS scales measure the energy released by an earthquake Another scale the Mercalli intensity scale classifies earthquakes by their effects from detectable by. Earthquake Intensity - Modified Mercalli Intensity MMI Scale The Modified Mercalli Intensity value assigned to a specific site after an earthquake has a more. Magnitude is the size of the earthquake An earthquake has a single magnitude The shaking that it causes has many values that vary from place to place based on distance type of surface. The Richter scale was originally devised to measure the magnitude of earthquakes of moderate size that is magnitude 3 to magnitude 7 by assigning a number that would. Seismic intensity scales categorize the intensity or severity of ground shaking quaking at a given location such as resulting from an earthquake They are distinguished from seismic magnitude..
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