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 2010 Sumatra earthquake along the Sunda megathrust in 2000s. In Simeulue Regency, 21 were hospitalized in Gunung Putih, Teluk Dalam subdistrict, and 41 were injured in Teupah Selatan subdistrict. Some of the injured were treated at Simeulue general hospital in Sinabang. April 2010 Sumatra earthquake The April 2010 Sumatra earthquake occurred on with a moment magnitude of 7.8 and a maximum Mercalli intensity of VIII ("Severe"). The shock occurred near Banyak Islands, off the island of Sumatra in Indonesia. A tsunami watch was issued according to the Pacific Tsunami Warning Center in Honolulu which was later canceled. A 40 cm surge was reported