Retrospective analysis of the Spitak earthquake

S. Y. Balassanian, A. R. Arakelian, S. N. Nazaretian, A. S. Avanessian, A. H. Martirossian, V. A. Igoumnov, M. G. Melkoumian, A. V. Manoukian, A. K. Tovmassian

Abstract


Based on the retrospective analysis of numerous data and studies of the Spitak earthquake the present work at- tempts to shed light on different aspects of that catastrophic seismic event which occurred in Northern Arme- nia on December 7, 1988. The authors follow a chronological order of presentation, namely: changes in geo- sphere, atmosphere, biosphere during the preparation of the Spitak earthquake, foreshocks, main shock, after- shocks, focal mechanisms, historical seismicity; seismotectonic position of the source, strong motion records, site effects; the macroseismic effect, collapse of buildings and structures; rescue activities; earthquake conse- quences; and the lessons of the Spitak earthquake.

Keywords


Armenia;earthquake;analysis;precursor;sub-sources;site-effect;destruction;lesson

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References


DOI: https://doi.org/10.4401/ag-4111
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Published by INGV, Istituto Nazionale di Geofisica e Vulcanologia - ISSN: 2037-416X