If one introduces the concept of energy of an earthquake then that is a theoretically derived quantity. Charles Francis Richter conceptderiveearthquake Change image and share on social
Don't wait for extraordinary circumstance to do good; try to use ordinary situations. Charles Francis Richter circumstanceextraordinarygood Change image and share on social
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.' Charles Francis Richter apparatuscommonfrequently Change image and share on social
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 accelerationbuildcomponent Change image and share on social
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 areabuildingearthquake Change image and share on social
Logarithmic plots are a device of the devil. Charles Francis Richter devicedevillogarithmic Change image and share on social
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 accelerationearthquakeexperience Change image and share on social
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. Charles Francis Richter affectassumptionbody Change image and share on social
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 conditionconsiderengineer share on social
I'm glad to see the press now referring to the open-ended Richter scale. Charles Francis Richter endgladopen Change image and share on social
