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
Olancha Earthquake Sequence (2009) Olancha Earthquake Sequence (2009) The Olancha Earthquake Sequence (2009) was a consecutive series of three earthquakes, with high magnitudes of 5.2, 5.0 and 4.9 respectively, with a number of small shocks between each, to accompany the main "triple shock". Olancha, California is located in the Inyo County, on route 395 with an elevation of 1,115m. Olancha has had a total of 5334 earthquakes since 1931, the largest occurring in 1998 with a magnitude of 5.2. Owens Valley, is located northeast of Olancha consisting mostly of dry, arid saline lakebed. October the 3rd 2009 at 01:16 UTC marked the first earthquake