Observed Vertical Motion of Kozu-Jima Island Using Interferometric GPS

摘要

The main purpose of proposed calculations of GPS interferometry data was to211u001edetermine the vertical mutual motion of Shizuoka and Kozu-Jima sites, located in 211u001evolcanically and tectonically active zones. The most significant behavior of 211u001eselected baseline vectors is the large motion of their vertical components, which 211u001efor the first time demonstrates major shifts of the upper layers of the earth's 211u001ecrust taking place not only in case of inter-seismic and postseismic deformation 211u001eactivities but under ordinary seismic circumstances as well. Distinguishing 211u001ebetween obtained results and tide gauge data would allow us to assess the 211u001ecompatibility of these two methods and to form a geoscientific approach for 211u001equalitative conclusion of observed phenomena.