Teves-Costa, P.; Borges, J.; Rio, I.; Ribeiro, R.; … - In: Natural Hazards 19 (1999) 2, pp. 205-220
of assessing the seismic moment, using empirical and theoretical relations, as well as the seismic source dimensions. The … digitization procedure allowed the recovery of seismic information contained in old analog records, in particular, the seismic … moment estimation. The results obtained indicated that 7.6 was a very high value for the magnitude of the 23 April 1909 …