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Russian Geology and Geophysics

2010 year, number 2

NOTES ON THREE EARTHQUAKES IN SANTIAGO DE CUBA (14.10.1800, 18.09.1826, 07.07.1842)

M.O. Cotilla and D. Cordoba
Departamento de Fisica de la Tierra y Astrofisica 1, Facultad de Ciencias Fisicas, Universidad Complutense de Madrid, Ciudad Universitaria, s/n 28040 Madrid, Spain
Keywords: Earthquake damage, historical seismicity, intensity, Santiago de Cuba, Cuba
Pages: 228-237

Abstract

Damage and parameters of the earthquakes of October 14, 1800, September 18, 1826, and July 7, 1842, in Santiago de Cuba, southeastern Cuba, have been studied. A quantitative re-evaluation of the size of the events is not feasible due to a lack of data. Hence, we have reinterpreted existing data to establish likely intensities and determine the epicentral region of occurrence. Available data do not permit accurate depth determinations. Intensities estimated from contemporary documentary sources give maximum values of 8, 8—9, and 9 (MSK scale), respectively. These seismic shocks were located in the Southeastern Seismotectonic Province of Cuba, Caribbean—North American Plate Boundary Zone. The earthquakes are associated with the Oriente fault system.