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March 13, 2013

When an unremarkable quake becomes remarkable

On Monday morning this week, a wide swath of southern California–from L.A. to Needles to Calexico–was gently jolted by a modest M4.7 earthquake from the San Jacinto fault. On most of the planet this quake would have been unremarkable, but having shaken a population exceeding 7 million people, it earned some remarks. In fact, in the 24 hour period surrounding this earthquake there were 27 of similar or larger magnitude …