Earthquakes are caused mostly by rupture of geological faults, but also by other events such as volcanic activity, landslides, mine blasts, and nuclear tests. An earthquake's point of initial rupture is called its focus or hypocenter. The epicenter is the point at ground level directly above the hypocenter.
1 AuctioneerExpress.com - Online Auctions is at Trinity County, Texas. 2  is feeling hopeful with David L. Robison and 5 others at Trinity County, Texas. Groveton EMS posted this picture to encourage rural route customers to clearly show their 911 Address on their mailbox. They don't realize all mail boxes are not even near the owners home.
Carrollton, Texas. Carrollton is a city in Denton, Dallas, and Collin counties in Texas. As of the 2010 census, its population was 119,097, making it the twenty-third most populous city in Texas.[4]