The Economist explains

How to make a building quake-proof

Yet for the most part, earthquakes themselves do not pose the greatest risk: Collapsing buildings do. While buildings are generally designed to withstand vertical loads – the weight of their contents and inhabitants – they have not traditionally been built to withstand the side-to-side swaying that a tremor can bring.

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Drones already fill the skies. Now uncrewed vehicles are heading to the front lines