<prompt> Qedela lo musho olandelayo: Ngo-August 23, 2011, iSikhumbuzo SaseWashington salimala lapho kugadla ukuzamazama komhlaba okungu-5.8  <response>: Ukuzamazama komhlaba kwaseVirginia ngo-2011; kwatholakala imifantu engaphezu kuka-150 esakhiweni. Umkhulumeli weNational Park Service wabika ukuthi abahloli bathola uqhekeko eduze phezulu kwesakhiwo, futhi bamemezela ukuthi lesikhumbuzo sasizovalwa unomphela. Ibhulokhi lephiramidion nalo lakhukhulwa kancane, futhi izingcezu zamatshe, izingcezu zamatshe, usimende, nezingcezu zepende zakhishwa esikhumbuzweni futhi zangcolisa izitebhisi zangaphakathi nendawo yokubuka. I-Park Service yathi yaletha izinkampani ezimbili zobunjiniyela bezakhiwo i-Wiss, i-Janney, i-Elstner Associates, Inc. ne-Tipping Mar Associates ezinolwazi olunzulu ezakhiweni zomlando nasezakhiweni ezilimazwe ukuzamazama komhlaba ukuze zihlole lesi sikhumbuzo. 