Deep seismically active fracture zones in ecuador and northern peru |
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| Authors: | Václav Hanu? Ji?í Vaněk Reviewer J Zahradník |
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| Institution: | (1) Institute of Geology and Geotechnics, Czechosl. Acad. Sci., Prague;(2) Geophysical Institute, Czechosl. Acad. Sci., Prague |
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| Abstract: | Summary A system of 8 seismically active fracture zones was delineated on the basis of the distribution of earthquake foci in the continental lithosphere of Ecuador. The position and width of the outcrop, thickness, dip and maximum depth of the individual fracture zones were estimated and correlated with surface geological and tectonic phenomena, volcanism and hydrothermal manifestations. The existence and strike of the fracture zones was independently confirmed by the occurrence of historical disastrous earthquakes.
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Visiting professors at Instituto Geofísico and Facultad de Geología, Minas y Petróleos, Escuela Politécnica Nacional, Quito (Ecuador). |
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