Filtern
Volltext vorhanden
- ja (1) (entfernen)
Erscheinungsjahr
- 2008 (1)
Dokumenttyp
- Sonstiges (1)
Sprache
- Englisch (1)
Gehört zur Bibliographie
- nein (1) (entfernen)
Schlagworte
- Receiver Funktionen (1) (entfernen)
Institut
Receiver functions are a good tool to investigate the seismotectonic structure beneath the a seismic station. In this study we apply the method to stations situated on or near Sumatra to find constraints on a more detailed velocity model which should improve earthquake localisation. We estimate shallow Moho-depths (~ 21 km) close to the trench and depths of ~30 km at greater distances. First evidences for the dip direction of the slab of ~60° are provided. Receiver functions were calculated for 20 stations for altogether 110 earthquakes in the distance range between 30° and 95° from the receiver. However the number of receiver functions per station is strongly variable as it depends on the installation date, the signal-to-noise-ratio of the station and the reliability of the acquisition.