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
April 2015 Nepal earthquake border between the capital of Kathmandu and Mt. Everest. More than 200 people were killed and over 2,500 were injured by this aftershock, and many were left homeless. The earthquake occurred on 25 April 2015 at <time datetime="2015-04-25 11:56">11:56 am</time> NST (06:11:26 UTC) at a depth of approximately (which is considered shallow and therefore more damaging than quakes that originate deeper in the ground), with its epicentre approximately east-southeast of Lamjung, Nepal, lasting approximately fifty seconds. The earthquake was initially reported as 7.5 M by the United States Geological Survey (USGS) before it was quickly upgraded to 7.8 M. The