Mezue nkebi ahịrịokwu a: N'August 23, 2011, ala ọma jijiji ji ike ruru 5.8 n'ihe ọ̀tụ̀tụ̀ Richter mebiri Ihe Ncheta Washington
Ala ọma jijiji nke afọ 2011 na Virginia; a hụrụ ihe karịrị 150 cracks na ncheta ahụ. Onye na-ekwuchitere National Park Service kwuru na ndị nyocha chọpụtara ebe mgbawa dị nso n'elu ụlọ ahụ, ma kwupụta na a ga-emechi ihe ncheta ahụ ruo mgbe ebighị ebi. A kwapụkwara otu akụkụ nke pyramid ahụ n'ụzọ ụfọdụ, iberibe nkume, iberibe nkume, ụrọ, na iberibe ágbá si n'ihe ncheta ahụ pụta ma "mee ka" steepụ ime ụlọ na ebe a na-ekiri ihe na-eme n'ime ụlọ jupụta n'ihe. Ndị ọrụ ogige ahụ kwuru na ha na-akpọbata ụlọ ọrụ injinịa ụlọ abụọ (Wiss, Janney, Elstner Associates, Inc. na Tipping Mar Associates) nwere ahụmịhe dị ukwuu na ụlọ ndị mere eme na ụlọ ndị ala ọma jijiji mebiri iji nyochaa ihe ncheta ahụ.