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
Christchurch Convention Centre charity gala dinners. In August 2011, the Convention Centre and several other public buildings were "recommended for demolition" because of extensive damage suffered in the February 2011 Christchurch earthquake and an aftershock on 13 June. The Convention Centre was demolished in March / April 2012 (see photo). Christchurch Convention Centre The Christchurch Convention Centre was New Zealand's only purpose-built Convention Centre. Christchurch's Mayor Vicki Buck opened it in November 1997. The Convention Centre was demolished in early 2012 following the 2011 Christchurch earthquake. The Christchurch Convention Centre was located in Kilmore Street in the city centre. The design was an