From the picture, two cylindrical glasses of the same capacity. Find the diameter length (X) of a small glass of water. 8
12
14
10

Richter defined the magnitude of an earthquake to be m = log i/s , where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. the magnitude of a standard earthquake is m = log s/s =