Kennett, Brian2015-12-130956-540Xhttp://hdl.handle.net/1885/89054Standard stacking procedures are based on the combination of many scalar traces, and can exploit the coherency of arrivals between traces using non-linear methods. Such stacks can be used with some success for three-component data but do not exploit the vector character of the seismic wavefield. A set of stacking methods are introduced to work directly with three-component data and include intercomponent coherency through 3 x 3 matrix measures. These techniques include extensions of both semblance and phase stacks. Such techniques allow the exploitation of cross-component information, which can be particularly valuable in the analysis of the S wavefield. Potential applications arise for the analysis of three-component records from controlled-source experiments, arrays of portable broad-band instruments and beam-forming at permanent monitoring installations.Keywords: data processing; seismic data; stacking Coherency; Stacking; Three-component seismograms200010.1046/j.1365-246X.2000.00048.x2015-12-12