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"In every area of the world where there is earthquake risk, there are still many buildings of this type; it is very frustrating to try to get rid of them."
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Explore more quotes by Charles Francis Richter
"What emerged, of course, was that the magnitude scale presupposed that all earthquakes were alike except for a constant scaling factor. And this proved to be closer to the truth than we expected."
"Intensity like signal strength will generally fall off with distance from the source, although it also depends on the local conditions and the pathway from the source to the point."
"By moving them vertically, a representative mean curve could be formed, and individual events were then characterized by individual logarithmic differences from the standard curve."
"I usually point out that most loss of life and property has been due to the collapse of antiquated and unsafe structures, mostly of brick and other masonry."
"If the assumptions used in calculating energy are changed, then this seriously affects the final result, even though the same body of data might be used."
"I repeatedly have to correct this belief. In a sense, magnitude involves steps of 10 because every increase of one magnitude represents a tenfold amplification of the ground motion. But there is no 'scale of 10' in the sense of an upper limit."
"From here, it becomes an engineering problem; the engineer considers the ground motion that will occur and evaluates the requirements of the proposed structure in the light of the local foundation conditions."
"Refining is inevitable in science when you have made measurements of a phenomenon for a long period of time."
"This is very similar to astronomy where different magnitudes are assigned to the brightness of an astronomical object, depending on the range of wavelengths being measured."
"If one introduces the concept of energy of an earthquake then that is a theoretically derived quantity."
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