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Authors: Gómez Capera, Augusto Antonio* 
Salcedo Hurtado, Elkin de Jesús* 
Santulin, Marco* 
Rios, L.F.* 
Blandon, J.C.* 
Title: Estimating Magnitude and Location from macroseimic data of the 1925 Colombian earthquake
Journal: Bulletin of Geophysics and Oceanography 
Series/Report no.: 3/63 (2022)
Publisher: OGS
Issue Date: 23-Jun-2022
DOI: 10.4430/bgo00386
Keywords: earthquake parameters
intensity data points
Subject Classification04.06. Seismology 
Abstract: The earthquake of 7 June 1925, which occurred in south-western Colombia, is one of the most important intraplate seismic events in the region. This earthquake caused damage at several localities along the Cauca valley. The distribution of the intensity data points reveals a trend line in the SW-NE direction, corresponding to the Andean mountain range, which coincides with the strike of the main geological faults existing in the SW of the country. In this work, earthquake parameters are computed from macroseismic data. The moment magnitude obtained is 6.6 ± 0.2. The epicentre is located at the coordinates 3.29° N and 76.91° W, at approximately 50 km SW from the town of Cali.
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