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• 21:45, 30 September 2022 Rmanwaring talk contribs created page Velocity Structure (Created page with "__NOTOC__ ---- <!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> The velocity structure is a generalized model of the earth’s crust using layers having different assumed seismic velocities. It is important in a SHA to have a well-defined velocity structure. Several parameters (''V_S30'', ''Z1.0'', ''Z2.5'') are used in most attenuation relationships. The most important parameter is ''V_S30'', which is...")