2009 L'Aquila earthquake region saw dozens of significant aftershocks following the main earthquake. The strongest, which hit at 19:47 CEST on 7 April, measured magnitude 5.3 and caused further damage. According to the Italian National Geophysics Institute director Boschi, the aftershock epicentres migrated south-east, thus lessening the risk of further major shocks near populated areas. Aftershocks caused safety problems for rescue crews searching for injured victims trapped in precarious structures in the historic center of L'Aquila, a medieval city. Using cranes and backhoes to remove loose bricks and broken timbers, the crews were aware that even a small aftershock could have triggered the
Medieval City of Vijayanagara best provided city in the world." Domingo Paes was overwhelmed by the city and stated:" The people in the city are countless in number, so much so that I do not wish to write it down for fear it should be thought fabulous. What I saw seemed as large as Rome and very beautiful to the sight; there are many groves of trees within it, many orchards and gardens of fruit trees and many conduits of water which flow in the midst of it, and in places there are lakes." The Italian traveler Nicolo Conti who visited the city in