Unified Interior Regions


We conduct impartial, multi- and interdisciplinary research and monitoring on a large range of natural-resource issues that impact the quality of life of citizens and landscapes of the Southeastern United States and the Caribbean region.

States L2 Landing Page Tabs

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March 7, 2001

A minor earthquake, preliminary magnitude 3.2 according to the U.S. Geological Survey, occurred today (Mar. 7), about 15 miles (30 km) WNW of Athens, Tennessee at 11:12 am local time (Eastern Standard Time). The earthquake was felt in Athens. The USGS has received no reports of damage at this time.

December 2, 1998

Elvis and Beale Street are not the only things around Memphis that have been known to rock and roll. The strongest and most widely felt earthquakes in the conterminous United States occurred in 1811-1812 in the Mississippi River Valley.

May 29, 1998

From high mountain peaks to lowland rivers, chances are if you flip over a rock or peek in the crevices of a damp log in the Great Smoky Mountains, you just might find a red-cheeked, pygmy, or black-belly salamander. A lucky visitor may even find the rare Junaluska salamander or hear the chorus of serenading American toads after a severe spring storm.

July 30, 1997

An earthquake with a preliminary magnitude of 3.8 occurred in northeastern Tennessee, Wednesday, July 30, 1997 according to the U.S. Geological Survey.

November 21, 1995

The most important ground-water problems in the states of Illinois, Indiana, Ohio, Kentucky and Tennessee are probably high concentrations of dissolved solids and large water-level declines near wells that pump large amounts of water from the aquifers (underground water-bearing rock layers), according to a new report by the U.S. Geological Survey.