seismic Ukrainian shield 1 acoustic 1 air object 1 building 1 common midpoint 1 dangerous object 1 discrete-continual system 1 earth’s crust 1 electromagnetic emission 1 epicenter zone 1 fault 1 fissure 1 geotravers 1 impact depends 1 intelligence-signaling device 1 logarithmic decrement of absorption 1 metastable 1 nonlinear geodynamics 1 reflection elements 1 seismic acoustic sensor 1 stable transitions 1 thrust-fault 1 transients 1 wavelet analysis 1 Український щит 1 будівля 1 відбивні елементи 1 геотраверс 1 дискретно-континуальна система 1