In seismology, an aftershock is a smaller earthquake that follows a larger earthquake, in the same area of the main shock, caused as the displaced crust adjusts to the effects of the main shock. Large
Fusakichi Omori was a pioneer Japanese seismologist, second chairman of seismology at Tokyo Imperial University and president of the Japanese Imperial Earthquake Investigation Committee. Omori is also
Aftershock
…laws. The frequency of aftershocks decreases roughly with the reciprocal of time after the main shock. This empirical relation was first described by Fusakichi Omori in 1894 and is known as Omori's law. It is expressed as where k and c are constants, which vary between earthquake sequences. A modified version of…