Cika wannan jumla:
Girgizar kasa ta 2011 ta Virginia ta kasance a cikin kilomita 7 (11 kilomita) kudu maso gabashin Louisa. Wannan girgizar kasa ta yi rikodin girman 5.8, kuma ta haifar da kwashe gine-gine a Capitol Hill a Washington, DC, da kuma Birnin New York kuma an ji shi har zuwa arewacin Kanada.