The receiver function technique is a way to image the structure of the Earth and its internal boundaries by using the information from teleseismic earthquakes recorded at a three-component seismograph.
A teleseismic P-wave will generate P-to-S conversions at boundaries, such as the Moho (crust-mantle boundary), beneath the seismograph. The difference in travel time between the generated S-wave and P-wave contains information about the depth to the boundary and about the P- and S-wave velocities. If further reverberations are included, more detailed structure can be resolved.[1][2] This is done by deconvolution of the incoming vertical and longitudinal components of the seismogram, which removes the common part of the components - namely, the source and travel path information.[3] The resulting waveform is the receiver function.
Similarly, a teleseismic S-wave will generate an S-to-P conversion beneath the seismic station.
^Langston, Charles A.; Burdick, L. J. (1977-06-01). "Modeling crustal structure through the use of converted phases in teleseismic body-wave forms". Bulletin of the Seismological Society of America. 67 (3): 677–691. ISSN 0037-1106.
^Vinnik, L.P. (September 1977). "Detection of waves converted from P to SV in the mantle". Physics of the Earth and Planetary Interiors. 15 (1): 39–45. doi:10.1016/0031-9201(77)90008-5.
^Frederiksen, A. W.; Bostock, M. G. (2000-05-01). "Modelling teleseismic waves in dipping anisotropic structures". Geophysical Journal International. 141 (2): 401–412. doi:10.1046/j.1365-246x.2000.00090.x. ISSN 0956-540X.
The receiverfunction technique is a way to image the structure of the Earth and its internal boundaries by using the information from teleseismic earthquakes...
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