TY - JOUR N2 - In the framework of the 4th International Polar Year Panel “Plate Tectonics and Polar Gateways” the international project “The Dynamic Continental Margin Between the Mid-Atlantic-Ridge System (Mohns Ridge, Knipovich Ridge) and the Bear Island Region” was undertaken in 2007-2008. As a part of this project a new three-component seismic broadband station was installed in September 2007 in the area of the Polish Polar Station Hornsund in Southern Spitsbergen . The new HSPB station has the coordinates: Φ = 77.0019°N, λ = 15.5332°E, H = 11 m a.s.l. During the first years of operation a number of good quality teleseismic events were recorded. This gives the opportunity for a first determination of crustal and mantle structure beneath the station by using receiver function (RF) and SKS splitting techniques. The Moho depth determined using RF is about 32 km beneath HSPB. Significant amplitudes on the transverse components of the RF indicate a shallowly dipping discontinuity (sedimentary-basement) towards the south-west. The fast polarization of SKS phases is near parallel to the border between the continental and the oceanic crust and the Hornsund fault (α = 151.8°). The average time delay dt between “fast” and “slow” directions is 0.68 s, which implies ca. 2% anisotropy in a 100- 200 km thick layer in the mantle. L1 - http://www.czasopisma.pan.pl/Content/110555/PDF-MASTER/PPR30-301.pdf L2 - http://www.czasopisma.pan.pl/Content/110555 PY - 2009 IS - No 4 EP - 316 KW - Arctic KW - Spitsbergen KW - HSPB broadband seismic station KW - receiver functions KW - SKS splitting KW - crustal and mantle structure A1 - Wilde-Piórko, Monika A1 - Grad, Marek A1 - Wiejacz, Paweł A1 - Schweitzer, Johannes PB - Polish Academy of Sciences PB - Committee on Polar Research VL - vol. 30 DA - 2009 T1 - HSPB seismic broadband station in Southern Spitsbergen : First results on crustal and mantle structure from receiver functions and SKS splitting SP - 301 UR - http://www.czasopisma.pan.pl/dlibra/publication/edition/110555 T2 - Polish Polar Research ER -