Abstract
Euroseistest is currently the longest running instrumented test site in the world. It was originally defined as the 2D (N–S) cross section of the Mygdonian basin, N-E from Thessaloniki Greece, epicenter area of the M6.4 1978 earthquake. In this paper, we present the effort to extend the test site to a larger portion of the whole sedimentary structure, i.e., from 2D to a 3D structure . To this end we have compiled available geological and geotechnical information. We have analyzed microtremor and earthquake data. We present the results of the analysis of all available information and data. The synthesis of all data allowed us to propose reliable image of the geometry and the properties of the basin. We have also obtained a reliable estimate of the site response throughout the basin and we have discussed several aspects of site effect s in complex geologic structures, including the increase of spectral amplification compared to 1D site amplification.
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Acknowledgments
Major part of the studies as well as the instrumentation of the EUROSEISTEST strong motion array was financially supported by EU under EUROSEISTEST (EV5V-CT.93-0281), EUROSEISMOD (ENV4-CT.96-0255) and EUROSEISRISK (EVG1-CT-2001-00040) Projects.
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Pitilakis, K., Raptakis, D., Makra, K., Manakou, M., Chávez-García, F. (2011). Euroseistest 3D Array for the Study of Complex Site Effects. In: Akkar, S., Gülkan, P., van Eck, T. (eds) Earthquake Data in Engineering Seismology. Geotechnical, Geological, and Earthquake Engineering, vol 14. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-0152-6_11
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