Seismic observations at the temporary stations in the area around the Zaporizhzhya NPP

Purpose – to organize a temporary network of seismic observation tool for continuous collection of information on seismic events in the area of the Zaporizhzhya NPP. Methods. In the bomb shelter in the territory dispensary Zaporizhzhya NPP, organized a temporary observation points to maintain a register of certified seismometer seismic events GURALP CMG-40TD. Choosing a place for the installation of temporary seismic observation point due to occurrence of bedrock in this place at least in the area ZAES depth (about 8 m). For the instrumental observations offline and accumulation of seismic data was developed hardware and software complex (APC), equipped with means of communication for management and control operation. To improve the quality of supervision, organized three temporary observation points for registration of seismic events accelerometers GURALP CMG-5TDE, provided by the customer. To install Client devices prepared and cemented into bedrock concreted pipe diameter 168 mm. The length of the pipes at various observation points depends on the depth of the bedrock and is 8, 15 and 35 meters. The upper part of the pipe concreted pedestals to install accelerometers. Above them to the concrete surface has two rings with a cover and a metal hatch within which communication will be made to supply transmission equipment and seismic data. Results. All seismic data during the observations from June 2012 to May 2013 were fully processed and analyzed, especially in the vicinity of the time when, according to the World seismological network, strong seismic events occurred (teleseysmichni seismic event (epicenter distance >1000 km) M>6.6 (K>14) and regional (zone of Vrancea, Black Sea, epicenter distance of 250-1000 km) with M>4 (K>10). Carrying out processing of the records showed low quality results, due to high levels of noise. This result could be expected as temporary seismic observation points №1 and in the shelter, located in the dispensary reasons as close to bedrock, were Peel exposure to noise caused by reservoir, paragraph №2 – directly at the NPP near power, №3 – near the motorway at Enerhodar with busy traffic and the gas station. Originality. For the first time received continuous recording of seismic events in the vicinity of the Zaporizhzhya NPP on four points hoc network instrumental seismic observations for the period from June 2012 to May 2013 Practical significance. This work is essential to building statistical series of instrumental seismic observations for research and refinement of seismicity in Zaporizhzhya NPP, which is located in an area with a complex tectonic structure.