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.
Cattle grazing in Ochiltree County south of Perryton off U.S. Highway 83. Ochiltree County (/ËÉkÉlËtriË/ OCK-Él-tree) is a county located in the U.S. state of Texas. As of the 2010 census, its population was 10,223. The county seat is Perryton. The county was created in 1876 and organized in 1889. and is named for William Beck Ochiltree, who was the Attorney General of the Republic of Texas.