Simulation of macroseismic field in Central Greece

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V. Kouskouna
S. Chailas
K. C. Makropoulos
D. Michalopoulou
J. Drakopoulos


The distribution of seismic intensity is generally influenced by major geological and tectonic features and, on a smaller scale, by local geological conditions, such as the type of surface soil, the surface-to-bedrock soil structure in sedimentary basins and the depth of the saturated zone, The present paper attempted to determine the distribution of macroseismic intensities based on published attenuation laws in the area of Central Greece, using the epicentral intensity, magnitude, length and direction of fault and a considerable number of observation sites, for which the above mentioned information is available, The expected intensity values were then compared to those observed in the same sites, from four earthquakes in Volos, Central Greece, for which the fault plane solutions are also known. The deviations of the observed values from the theoretical model were then related to the local geological conditions and the corresponding correction factor determined for each site.

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Kouskouna, V., Chailas, S., Makropoulos, K. C., Michalopoulou, D. and Drakopoulos, J. (1996) “Simulation of macroseismic field in Central Greece”, Annals of Geophysics, 39(5). doi: 10.4401/ag-4039.

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