Scientists caution that california faces a hidden seismic danger But researchers say the state faces an overlooked threat “supershear” earthquakes that move faster than seismic waves, producing shock fronts similar to sonic booms
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These rare but powerful ruptures could unleash more violent shaking over wider areas than typical quakes, putting cities.
What is a supershear earthquake
Energy bunches up into a shock front, delivering an intense initial jolt—then the ongoing rupture drives prolonged shaking This “ double strike ” can be more damaging than in typical quakes of the same magnitude. According to the team, supershear earthquakes are not just rare scientific curiosities They’re a real and underappreciated danger that could unleash shock fronts — waves of energy similar to sonic booms — causing more violent and widespread shaking than typical quakes of the same magnitude.
Supershear earthquakes, moving faster than seismic waves, could cause catastrophic shaking across california Usc researchers warn that many faults capable of magnitude 7 quakes might produce. Most californians are familiar with earthquakes
