Kammala jumla mai zuwa: Yankin Girgizar Kasa na Virginia ba shi da tarihin ayyukan girgizar ƙasa na yau da kullun. Girgizar kasa ba ta wuce 4.5 a cikin girman ba, saboda Virginia yana nesa da gefuna na Arewacin Amurka Plate. A
Girgizar kasa mai girman 5.8 ta afkawa tsakiyar Virginia a ranar 23 ga Agusta, 2011, kusa da Ma'adinai, kuma ita ce mafi girma a cikin Commonwealth a cikin akalla karni. Saboda yanayin yanayin yankin, an ji girgizar daga Arewacin Florida zuwa Kudancin Ontario. Shekaru miliyan 35 da suka wuce, wani tauraro mai karfin gaske ya yi karo da abin da yanzu yake gabashin Virginia. Sakamakon tasirin tasirin Chesapeake Bay na iya bayyana abin da girgizar ƙasa da raguwar yankin ke fuskanta. Har ila yau, tasirin meteor ya zama tushen asalin Lake Drummond, daya daga cikin tafkuna biyu kawai a jihar.