Pluraj QCNaj stacioj sur la Orienta Marbordo de Usono registris M5.8 tertremo kiu okazis nuran eksteron de Mineralo, Virgina ĉe 17:51:04 UTC sur 23 Aŭgusto 2011. Klako Ĉi tie to view seismograms recorded by QCN stations at distances between 48 Al 242 Km (30 – 150 miles) from the earthquake epicenter. The image above shows the ShakeMap generated by ‘Did You Feel It?’ reports submitted to the USGS; more information about the Virginia earthquake ShakeMap can be found Ĉi tie (links to external USGS site).