The bulletin of the Seismological Society of America (Online) 110 (2020): 399–409. doi:10.1785/0120180344 info:cnr-pdr/source/autori:Mele G., Rovelli A., Fodarella A., Mancini M./titolo:Site Effects of Onna during the 2009 L'Aquila (Central Italy) Seismic Sequence: Constraints on Bedrock Depth and 1D Local Velocity Structure from Aftershock Seismograms/doi:10.1785%2F0120180344/rivista:The bulletin of the Seismological Society of America (Online)/anno:2020/pagina_da:399/pagina_a:409/intervallo_pagine:399–409/volume:110