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.
Introduction to Carrollton, Texas. The Texas city of Carrollton is located on Interstate Highway I-35 about 18 miles north of Dallas. Situated within parts of three Texas counties (Denton, Dallas, and Collin), the city is surrounded by the Texas communities of Addison (to the east), Farmer's Branch (to the south), and Coppell (to the west). Other major roads serving Carrollton include Texas State Highways 190 and 121.