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Use of geodetic information in seismology

Varga P., Bus Z., Gribovszki K.

Reports on Geodesy

2006

z. 4/79

375-380

The study of the displacement fields of the Earth surface can be useful in the study of the properties of the past and future potential earthquakes. With the use ofKostrov equation (1974) the possible sum of seismic moments can be estimated for a given source zone, if its area is described with the use of geodetic measurements. The possible displacement fields connected with seismo-tectonic activity for the intraplate part of Central Europe should be estimated with the use of model calculations. The necessity of such a theoretical work is connected with the very long return period of destroying events (M> 6.5) of this region.

Use of geodetic information in seismology

Varga P., Bus Z., Gribovszki K.

Reports on Geodesy

2005

z. 2/73

61-66

The study of the displacement fields of the Earth surface can be useful in the study of the properties of the past and future potential earthquakes. With the use of Kostrov equation (1974) the possible sum of seismic moments can be estimated for a given source zone, if its area is described with the use of geodetic measurements. The possible displacement fields connected with seismo-tectonic activity for the intraplate part of Central Europe should be estimated with the use of model calculations. The necessity of such a theoretical works is connected with the very long returnperiod of destroying events (M>6.5) of this region.

Strain rates, seismic activity and its temporal variations within the Pannonian Basin

Varga P., Bus Z., Kiszely M.

Reports on Geodesy

2004

nr 2/69

149--156

The spatio-temporal patterns are used for the study of the intraplate seismicity of the Pannonian basin. The earthquake occurrence is connected to the strain rate values with the use of the Kostrov(1974) equation. It is shown that in the Pannonian basin the seismic rates are l0-7-l0-6. These values were derived from the local earthquake catalogues of the area of Komarom, Dunaharaszti (near Budapest) and Kecskemet. The method used in present study is based on combination of seismological and geodetic tools and it can be used in the future for the study of the seismic conditions of areas with reduced earthquake activity.