We experienced this quake at home then mobilized aid to help some of the tens of thousands who lost everthing. You can see how much concrete is invested in these buildings. Conventional construction gets very expensive when upgraded to deal with seismic loads like this.
Our system was founded on the realisation that ICFs were not taking advantage of the stress skin potential of foam cores sandwitched between reinforced skins.
Surf boards have been built this way for the past decade and they are remarkably efficient structures that take large dynamic stresses in breaking waves.