The Strong Motion Network of Urban-Incerc, Romania: State of the Art and Needs for Development

Abstract eng:
Romania is a country, member of the European Union, with a unique seismicity in Europe through the presence of Vrancea source, which can produce a direct and indirect impact of national disaster, at a scale of more than 50% of the territory. In a single event with great magnitude very important trans-boundary effects might be produced in Republic of Moldova, Ukraine, and Bulgaria, as it happened in 1940 and 1977. Presently, an urgent necessity is the seismic network function in order to get as much as possible strong-motion data for advanced research and to understand why damages in buildings occurred. The next goal is to have more parametric and spectral data for engineering design, as well as to improve the zoning maps, having more stations at reduced distances. If possible, strong-motion micro-zonation data would explain some specific shaking differences, as a future option for local arrays. The paper presents the necessity, means and requirements of achieving a realistic development and modernization of the national seismic network for constructions, taking into account geological settings, environmental and local soil conditions on regional profiles, attenuation patterns, architectural and structural patterns, and number of seismic stations in specific seismic zones. Some aspects as the purchase, installation, maintening and operating of the network equipment, data transmission, processing and archiving, support research work using these data, dissemination etc. could present better the financial reality of this national network.

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