The Eastern Tennessee Seismic Zone (ETSZ) is one of the most active areas in the southeastern U.S. Its known faults are generally ancient and no known active faults reach the surface. Tennessee is bordered by Kentucky to the north, Virginia to the northeast, North Carolina to the east, Georgia, Alabama, and Mississippi to the south, Arkansas to the west, and Missouri to the northwest. . The Eastern Tennessee Seismic Zone (ETSZ), also known as the East Tennessee Seismic Zone and the Southern Appalachian Seismic Zone, is a geographic band stretching from northeastern Alabama to southwestern Virginia that is subject to frequent small earthquakes. google_ad_height = 90; An additional map shows the locations of historic and modern earthquake epicenters. Article Id: Are you certain this article is inappropriate? We mapped concentrations of sackungen (ridgetop spreading features) on bluffs along the eastern Mississippi River valley in northwestern Tennessee that likely form or are reactivated during large earthquakes. Why is the CO2 level lower in my house than outside? This site uses cookies to assist with navigation, analyse your use of our services, and provide content from third parties. McGuire Maximum magnitude values The TIP study (Ref. Tennessee is the 36th largest and the 16th most populous of the 50 allied States. Thank you for taking your time to send in your valued opinion to Science X editors. "But we don't have enough data right now to say whether or not this is some kind of ephemeral or maybe periodic activity," he noted.          Sexual Content google_ad_client = "ca-pub-2707004110972434"; Medical research advances and health news, The latest engineering, electronics and technology advances, The most comprehensive sci-tech news coverage on the web. The ETSZ is located far from edge of the North American continent and represents a mid-continent or intraplate earthquake zone. "We may have found a fault that is accommodating the uplift of the Smokies.". Photo: Wikimedia, CC0. In the East Tennessee Seismic Zone, there have been 188 earthquakes of magnitude 2.5 or greater since measurements began in the 1970s. The exact mechanisms of … This study examines the seismic hazard at a site located in the Eastern Tennessee Seismic Zone (ETSZ) and examines the sensitivity of hazard at that site to different assumptions on seismicity in the region. Go back to see more maps of Tennessee  U.S. Maps. Neither your address nor the recipient's address will be used for any other purpose. Find local businesses, view maps and get driving directions in Google Maps. Intraplate Workshop CERI, 2015. 27 June 2017– The Eastern Tennessee Seismic Zone (ETSZ), a zone of small earthquakes stretching from northeastern Alabama to southwestern Virginia, may have generated earthquakes of magnitude 6 or greater within the last 25,000 years, according to a study published in the Bulletin of the Seismological Society of America. The known faults in the ETSZ are generally ancient; no known active faults reach the surface. The ETSZ is the second-most active natural seismic zone in the … U.S . and Terms of Use. google_ad_width = 160; Post-ice age sediments, which might tell us more about the current potential for large earthquakes in the region, are mostly underwater as a result of Tennessee Valley Authority projects, Cox added. Recent Central and Eastern U.S. Earthquake Map; ENS ... Eastern Tennessee; AG Network; Felt Reports; Shakemaps; Earthworm Seismic Processing Software Download; Thanks to Mapbox for providing amazing maps. Apart from any fair dealing for the purpose of private study or research, no In historic times, the ETSZ has not produced earthquakes larger than magnitude 4.8. Map of East Tennessee Click to see large. Events of magnitude 5–6 are estimated to occur once every 200 to 300 years. Click here to sign in with A combination of features convinced Cox and colleagues that they were looking at a record of past earthquakes rather than signs of an ancient landslide. World Heritage Encyclopedia™ is a registered trademark of the World Public Library Association, a non-profit organization. Cox said it might be possible that these large earthquakes were only active during the late Pleistocene, when seismic stresses in the crust changed with the advance and retreat of massive ice sheets. You can be assured our editors closely monitor every feedback sent and will take appropriate actions. The Eastern Tennessee Seismic Zone (ETSZ), a zone of small seismic faults stretching from northeastern Alabama to southwestern Virginia, may have generated earthquakes of … "The ETSZ is right along the Smoky Mountains, which are a subrange of the Appalachians," Cox said. While some zones, such as the New Madrid Seismic Zone, may be more widely known, others such as the East Tennessee and Central Virginia Seismic Zones can also produce damaging earthquakes at any time. Based on the 1990 USDA Hardiness Zone Map, this interactive version covers the state of Tennessee which ranges from USDA Zone 6a to USDA Zone … States for the period 1965 to 1997. Reproduction Date: The Eastern Tennessee Seismic Zone (ETSZ), also known as the East Tennessee Seismic Zone and the Southern Appalachian Seismic Zone, is a geographic band stretching from northeastern Alabama to southwestern Virginia that is subject to frequent small earthquakes. Tiger Zone - Student Events; Campus Events; Media Room: News & Magazines; ... Seismic Information Recent Earthquake Maps.          Political / Social. Your email address is used only to let the recipient know who sent the email. The eastern Tennessee seismic zone is a prominent feature on this map. Eastern Tennessee Seismic Zone. [3], The source of seismic activity in the ETSZ is not known. By using this site, you agree to the Terms of Use and Privacy Policy. Randel Cox of the University of Memphis and colleagues searched for signs of ancient earthquakes below the muddy waterline of Douglas Lake, a 1943 Tennessee Valley Authority lake created by impounding the French Broad River. We do not guarantee individual replies due to extremely high volume of correspondence. Many e… You can unsubscribe at any time and we'll never share your details to third parties. Crowd sourced content that is contributed to World Heritage Encyclopedia is peer reviewed and edited by our editorial staff to ensure quality scholarly research articles. Alabama sits on the edge of the Eastern Tennessee seismic zone, which extends from south west Virginia to north east Alabama, is one of the most active earthquake areas in the Southeast. The ETSZ is one of the most active earthquake zones in the eastern United States. High‐resolution lidar reveals newly recognized evidence of strong shaking in the New Madrid seismic zone in the central United States. Due to proximity to the New Madrid fault line, most structures in Memphis are retrofitted to withstand earthquakes, but homes and buildings in Middle Tennessee generally do not have such prerequisites and likely will not need them. 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Excessive Violence //-->, This article will be permanently flagged as inappropriate and made unaccessible to everyone. 2) used distributions of maximum magnitude M max that are somewhat higher than values used in … Alabama (NY-AL)aeromagnetic lineament and on the east by the less prominent Clingman lineament [Nelson cvrt Zietz, 1983]. The ETSZ is one of the most active earthquake zones in the eastern United States. google_ad_slot = "4852765988"; 2.2 Eastern Tennessee Seismic Zone. google_ad_slot = "6416241264"; The content is provided for information purposes only. The Eastern Tennessee Seismic Zone (ETSZ), a zone of small earthquakes stretching from northeastern Alabama to southwestern Virginia, may have generated earthquakes of … This would place them in the late Pleistocene, during the last North American ice age. Earthquakes associated with the ETSZ have included: Hampton Roads, Washington, D.C., Richmond, Virginia, Norfolk, Virginia, American Civil War, Montgomery, Alabama, Mobile, Alabama, Birmingham, Alabama, Auburn University, Mississippi, Tennessee, Knox County, Tennessee, Democratic Party (United States), City, Tennessee Valley Authority, Geology of Chile, Rocky Mountains, Seismology, Knoxville, Tennessee, List of earthquakes in 2003, Montgomery, Alabama, Alabama, Auburn University, Mobile, Alabama, Autauga County, Alabama, Cretaceous, Ordovician, Tennessee, Mississippi Embayment, Devonian, /ia, /ia (U.S. state), Atlanta, Blue Ridge Mountains, Coal, Canada, United States, Lake Erie, Lake Ontario, Basin and Range Province, Canada, Alaska, Northern Cordilleran Volcanic Province, North America, British Columbia,