All Charles Francis Richter Quotes
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.
Charles Francis Richter
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Nothing is less predictable than the development of an active scientific field.
Charles Francis Richter
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Emphasis was usually put on the horizontal acceleration factor, for the simple reason that ordinary structures have a built-in safety factor for the vertical component; that is, gravity.
Charles Francis Richter
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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.
Charles Francis Richter
56% of people like this quote
My amateur interest in astronomy brought out the term 'magnitude,' which is used for the brightness of a star.
Charles Francis Richter
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I'm glad to see the press now referring to the open-ended Richter scale.
Charles Francis Richter
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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.
Charles Francis Richter
53% of people like this quote
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.
Charles Francis Richter
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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.
Charles Francis Richter
51% of people like this quote
I suggested that we might compare earthquakes in terms of the measured amplitudes recorded at these stations, with an appropriate correction for distance.
Charles Francis Richter
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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.
Charles Francis Richter
51% of people like this quote
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.
Charles Francis Richter
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As seismologists gained more experience from earthquake records, it became obvious that the problem could not be reduced to a single peak acceleration. In fact, a full frequency of vibrations occurs.
Charles Francis Richter
50% of people like this quote
If one introduces the concept of energy of an earthquake then that is a theoretically derived quantity.
Charles Francis Richter
49% of people like this quote
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