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3 Reports on Geodesy

3 2006

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Recent tectonic activity in the Eastern Sudetes and on the Fore-Sudetic Block on the basin of 1993-2003 investigations

Cacoń S., Bosy J., Kontny B.

Reports on Geodesy

2006

z. 4/79

309-323

The characteristics of geodynamic investigations in the Eastern Sudetes and the Fore-Sudetic Block region during the 1993-2003 period are presented. The investigations included repeated GPS, gravimetric and other observations realised in three local research areas and a regional network. The local research networks have been integrated into the regional network through selected points. The regional network has been connected to the permanent stations network EPN/IGS. This has allowed calculation of the points' velocities in a uniform reference frame ITRF2000. The calculated movement parameters of points have been the basis for estimating the kinematics of tectonic structures including gravity changes. The results have confirmed recent activity of the young tectonic structures in research region.

Geodynamics of the Tatra Mountain. Report WP 10.5

Czarnecki K., Mojzes M.

Reports on Geodesy

2006

z. 4/79

189-193

The Report of WP 10.5 summarises the research activities in the period from 1.4.2003 to 31.3.2004. The research activities were concentrated to the determination of the preliminary relative velocity vectors and preliminary testing of gravimetric quasigeoid by astronomical measurements in the area of the Tatra Mountain.

Geodetic and geologic research of recent tectonic activity in Dinarides

Pribicevic B., Medak D., Prelogovic E.

Reports on Geodesy

2006

z. 4/79

173-180

Initial tectonic movements of Adriatic Microplate result in dominating compression in the area of Dinarides. Collected structural data, compared with surface and depth data, with seismological and geodetic measurements taken in the account enabled the classifications of structures. Deformations and movements of structures directly depend on the stress orientation. This orientation varies from between 340-160° to 30-210°. In order to visualize the stress orientation, formation of different types of structures and their movements, examples of compressional structures are shown, as well as rotations of structures and conditions of creation of extensional structures. Finally, the map with fault zones is included, too. The data show narrowing of the area of Adriatic Microplate and the existence of its southern and northern part. Both parts are changing movement directions, leading to more tectonic activity. In active areas, formation of structures is recognized, and causality with fault locations and seismic activity is established. The amplitudes of tectonic movements derived from geodetic measurements between 1994 and 1998 represent important contribution for better understanding the tectonic activities in the area.