A magnitude formula is preliminarily developed from Kuwait national seismic network (KNSN) data which is proposed and intended for application by the network in its seismic monitoring activities. This is an adapted local magnitude scale of measurement, which is empirically determined and expressed as: ML = log (A) + 1.43 log (Δ) + 1.0 + Di. The magnitude formula is as a result of applying multiple regression techniques to the data, which is the amplitude, A, that is availed from 6 stations of the network. To ensure applicability of the magnitude equation for the network, stations corrections were determined which are indicated by the Di for the station. The station corrections are evaluated from the average of the difference values between the proposed magnitude formulas to respective magnitude equations obtained from each seismic station.
Key words: Local magnitude, Kuwait, national seismic network.
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