"My amateur interest in astronomy brought out the term 'magnitude,' which is used for the brightness of a star."

Charles Francis Richter, American Scientist

Astronomy, Interest

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"My amateur interest in astronomy brought out the term 'magnitude,' which is used for the brightness of a star."

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Explore more quotes by Charles Francis Richter

"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."

Belief, Sense

"There is another common misapprehension that the magnitude scale is itself some kind of instrument or apparatus. Visitors will frequently ask to 'see the scale.'"

Will,

"Incidentally, the usual designation of the magnitude scale to my name does less than justice to the great part that Dr. Gutenberg played in extending the scale to apply to earthquakes in all parts of the world."

Justice, Name, World

"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."

Body, Energy, Result

"For example, some stars put out large amounts of energy in the infrared part of the spectrum, so that this can produce a different relative magnitude rating than using light energy from the middle of the spectrum."

Energy, Example, Light, Stars

"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."

Life, Loss, Property

"Nothing is less predictable than the development of an active scientific field."

Development, Nothing

"I'm glad to see the press now referring to the open-ended Richter scale."

Now, Open, Press

"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."

Experience, Fact, Obvious

"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."

Strength, Will