%0 Journal Article %T A spectral expansion approach for geodetic slip inversion: implications for the downdip rupture limits of oceanic and continental megathrust earthquakes %A Xu, Xiaohua %A Sandwell, David T %A Bassett, Dan %J Geophysical Journal International %V 212 %N 1 %P 400-411 %@ 0956-540X %D 2018-01-01 %I The Royal Astronomical Society %~ DeepDyve