After a series of quakes rocked the west coast, everyone's wondering if California is on the verge of a massive #earthquake. Seismographs, not to be confused with the Richter scale, can be used to measure the force, duration, and distance from the epicenter of a quake. Though the threat of the "Big One" is always looming, according to Dr. Lucy Jones (California Institute of Technology) there's about a 1 in 20,000 chance that it'll hit each day. Stay prepared and be safe! 🌎#science | Science Cha

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