Seismic shockwave pattern may be redirecting earthquake damage

According to physics, seismic waves from earthquakes should travel in a four-leaf clover pattern, but in the real world they behave more like ripples in a pond. New research has found the pattern hidden among low-frequency seismic waves, the kind that can topple buildings. The study looked at small earthquakes in northern Oklahoma and could change the way scientists think about potential damage from earthquakes.

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