M. Sinambela, M. Situmorang, K. Tarigan, S. Humaidi, and M. Sirait, “Waveforms Classification of Northern Sumatera Earthquakes for New Mini Region Stations Using Support Vector Machine”, Int. J. Adv. Sci. Eng. Inf. Technol., vol. 11, no. 2, pp. 489–494, Apr. 2021.