Geodynamic interpretation of the earthquake distribution in the kermadec subduction zone |
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Authors: | Václav Hanuš Jiří Vaněk Reviewer A Zátopek |
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Institution: | (1) Geological Institute, Czechosl. Acad. Sci., Prague;(2) Geophys. Institute, Czechosl. Acad. Sci., Prague |
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Abstract: | Summary The morphology of the Wadati-Benioff zone in the Kermadec region, based on the distribution of 1100 earthquake foci, verified the existence of an intermediate aseismic gap and its relation to active andesitic volcanism, and the non-uniformity of subduction due to the hampering effect of the main structural features of the subducting Pacific plate. Two cycles of the recently active subduction in the Tonga-Kermadec island arc were found. |
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