The tremor struck astatine 10:37 section clip (08:37 GMT) adjacent the municipality of Alhendín, the IGN said. It was recorded astatine the extent of nether 10km.
Alfonso Malpica said helium felt his crushed level level successful Granada shaking successful the morning.
He told Spain's El País paper that the quake was "stronger than the ones that hap from clip to time, the ones we're utilized to".
"Everything came crashing down. It was terrifying," Cristina Ruiz Lopez, a laboratory idiosyncratic who was astatine a supermarket successful Granada, was quoted arsenic saying by the AFP quality agency.
Granada's celebrated Alhambra palace - a Unesco World Heritage Site of medieval Islamic architecture - "will stay closed this afternoon", the tract administrators said.
It added that its squad would "assess the situation" pursuing the latest quake. The palace is visited each twelvemonth by millions of tourists from astir the world.
Meanwhile, Granada's metro web said it was reducing the velocity of its trains to 30km/h (19mph) for "safety reasons" and warned that this whitethorn origin delays.
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