Use this service to convert a single coordinate value (lat/lon, KY single zone, carter coordinate, etc..) to 14 different coordinate values. There are some minor faults in eastern and western Kentucky, but they are not thought to be active. It hugs the borders of Missouri, Arkansas, Tennessee, Kentucky and Illinois, and it birthed massive quakes in 1811 and 1812 that temporarily reversed the flow of the Mississippi River. composite thickness for the entire basin of at least 63,000 ft but reaches a maximum thickness in any one 1979, p. F23) (see cross section G'-G"). ], [Click on image to see a larger version in a new window.]. Near the end of the Paleozoic era (around 230 million years ago), when the Appalachian Mountains were being uplifted, a large block of the Earth's crust was pushed up and over the area that is now southeastern Kentucky. 11) and continue mining. From AIPG (1993). The most powerful earthquake to be ever recorded was a 9. Dams should be constructed of compacted clayey soils at slopes flatter than 3 units horizontal to 1 unit vertical. basin as a whole contains sedimentary rocks of Precambrian to Early Permian age in a sequence that has a Legend Issues: Some legend items may not print in the layout. ), Swelling soils and expansive clay shales can cause construction problems in some areas of the county. Kentucky is one of the top ten limestone producers in the country. The epicenter was in the vicinity of New Madrid, These fractures can also contribute to roadway failure. been reactivated in the late Paleozoic and possibly Mesozoic. Rock excavation is often required to sufficiently bury these pipelines. 02% in any given year. On Dec. 16, 1811, a magnitude 7.7 earthquake hit the New Madrid fault line, which lies on the border region of Illinois, Indiana, Missouri, Arkansas, Kentucky, Tennessee and Mississippi. A compiled set of FAULT features for the state of Kentucky as digitized by the Geospatial Analysis Section, Digital Mapping Team. It. In the end, some 3,000 to 5,000 square miles (7,800 to 13,000 square km) were visibly scarred with the effects. The resulting power outages, liquefaction, and flooding would further add to the destruction. if (thisYr < 1900) { //--> Within the thin Kentucky River valley along the northern edge of Madison County, and in the lower reaches of the valleys of the larger creeks that empty into the Kentucky River, most drilled wells will produce enough water for a domestic supply at depths of less than 100 feet. Of the three Potential roof-fall hazards: Fault gouge, slickensides, and fractures near faults can cause adverse roof conditions, but these roof weaknesses diminish away from the fault plane (Sheperd and Fisher, 1978; Nelson, 1981). If oil, gas (methane), and water enter the mine along faults, these can obviously hinder mining and be safety concerns. Geologists know what the rocks in the subsurface look like from data gathered during drilling beneath the surface for oil, natural gas, coal, industrial minerals, and water resources, and from seismic exploration. One of the largest earthquakes in North American history happened just west of Hickman, Kentucky, on the Missouri side of the Mississippi River. Successful pond construction must prevent water from seeping through structured soils into limestone solution channels below. For example, recent studies have suggested that deep-injection wells and hydraulic fracturing may cause minor earthquakes. OKeefe and others (2008) reported on a mine in Hopkins County that began in the Springfield coal, crossed a fault without much offset into the Coiltown coal (W. Ky. No. 2023 NYP Holdings, Inc. 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In some cases, where offset is not too great, mine plans can be altered to ramp (adjust the dip of the excavated entries up or down) across the fault to the level of the coal on the other side of the fault. The quake was the largest earthquake ever recorded in magnitude and intensity, occurring off the coast of Valparaiso, Chile. The main fault lines located in Kentucky are the Rough Creek Fault, the Martin-Clifty Fault, the Green River Fault, the Horse Cave Fault, the Copper Creek Fault, the Brier Creek Fault, the Middlesboro Fault, the South Fork Fault, the Memphis-Ridgemont Fault, the Motts Valley Fault, the Barren River Fault, the Pigeonroost Fault, the Elkton Fault, the McKee Fault, the Newpaw Fault and the Pottsville Fault. The. Exploration for oil and gas in Kentucky has resulted in considerable information on the nature of the Both sides of the Illinois Basin are preserved in western Kentucky, which is why the Pennsylvanian strata on the geologic map have a roughly circular pattern surrounded by Mississippian strata. Remedies vary from mere maintenance that keeps drainage away from the house to expensive reconstruction of foundations. 4 coal (Greb and others, 2001) and Springfield (W. Ky. No. Carter County - Grayson. The fractures are covered by thick layers of rock, which in turn are overlaid by deep, unstable alluvial material relating to the Mississippi, Missouri, and Ohio rivers. Lexington (sheet 2 of the geologic map), near the axis of the Cincinnati arch (fig. subsidence of the Rome trough (Cable and Beardsley, 1984). (photo by Edward Nuhfer), Homes constructed in areas of steep slopes can cause earth movements if not properly planned, as shown in the photographs above and below. The Rough Creek fault zone is made up of numerous high The fractures are covered by thick layers of rock, which in turn are . (Cressman, 1981, p. 14). States located along the Madrid Fault Line include Alabama, Mississippi, Tennessee, and Kentucky. Tennessee and Alabama. Dataset Size: 0 bytes. The most dramatic fault shown in the block diagram is the Pine Mountain thrust fault, which occurs in southeasternmost Kentucky. Create a bookmark, record the ID, and use your own layout here. Many surface-fault traces are mapped on 7.5-minute geologic quadrangle maps for Kentucky, and can be viewed online on the digital geologic map information service. (1983, p. 24). Surface faults are well mapped, but unmapped faults or splinter faults branching from mapped faults are sometimes encountered. The Kentucky Geological Survey states that there are four major fault lines that run through Kentucky: the New Madrid Fault Zone (NMFZ), Greenville Fault Zone (GFZ), Easterville Fault Zone (EFZ), and Cherokee Uplift (CU). Lying in the central area of the North American Plate, the seismic zone is about 45 miles (70 km) wide and about 125 miles (200 km) long. East of the fluorspar faults there are two sets of faults that trend east-west. startxref Engineering design principles are employed in roadways and bridges to prepare for such situations. Don't search a large area this way, it takes too long. Seismologists say we can expect the next one any day now. Fun times! Click the section headings to expand or collapse reports. In addition, Keller and others (1982) ), and was discovered in the late 1960s. It was the first major seismic activity in Ky since 2003 when a magnitude 4. Across a span of millions of years, this gradual, periodic movement can result in thousands of feet of offset along a fault. Kentucky). The oldest rocks at the surface in the State occur in central Kentucky, because older rock strata is pushed upward along a broad bulge, called the Cincinnati Arch, which in Kentucky, stretches from Covington in the north, to just west of Dale Hollow Lake in the south. most movement on faults at the southern end of the Illinois basin took place at the end of the Paleozoic. gravity high, which passes north-south through east-central Kentucky. } Geophysical studies by Soderberg and What states are on the Madrid fault line? The EFZ runs east-west through the far western part of the state and into Tennessee, while the CU runs through eastern and southeastern Kentucky. 3 quake occurred near Smiths Grove. The downbow causes Ordovician rocks, which occur at the surface in central Kentucky, to be depressed beneath the surface more than 3,000 feet in the eastern Kentucky part of the Appalachian Basin, and more than 4,000 feet beneath the surface in the Illinois Basin of western Kentucky. These cracks in the crust have caused considerable damage in the past and scientists say will do so again. Digital Map of the Hayward Fault Map showing active fault traces within the Hayward Fault Zone, including a virtual tour of the Hayward fault in the east San Francisco Bay Region that can be viewed in the Google Earth. The data in this package is compatible. There are numerous faults in Kentucky. Purchase and extends southwestward into Missouri, Arkansas, and Tennessee, suggest that it is a fault https://mrdata.usgs.gov/services/wfs/sgmc2. from the geologic quadrangle mapping. 2 of the geologic map; the Irvine-Paint Creek fault system extends well into sheet 3 as well. In western Kentucky, however, faulting is common. surveys of the area (Black and others, 1977) show a close relationship between gravity and magnetic data 38) reported wells penetrating brecciated Knox dolomites and cherts below coherent Silurian dolomite, An Equal Opportunity University. trachyte, rhyolite basalt, and weakly metamorphosed sedimentary rocks are characteristic. shatter cones and other features. Radon gas, although not widely distributed in Kentucky in amounts above the Environmental Protection Agency's maximum recommended limit of 4 picocuries per liter, can be a local problem. Kentucky was succeeded by intrusion of ultramafic dikes (western Kentucky) and diatremes (eastern The relative direction or motion of movement defines the type of fault. 1 earthquake, which caused some damage to homes and businesses in the area. River fault system largely predate Pennsylvanian deposition and are thus not readily apparent on the Thousands of earthquakes have been recorded in this region since 1974. suggest that the Waverly arch represents the position of this migratory arch during Beekmantown (Early major structural features, and tectonic history, including age of deformation where known. Fault planes are not always vertical, so the position of the fault may change with depth depending on the dip of the fault plane. Solid lines indicate fault traces. California experiences thousands of earthquakes each year, many of which cause moderate to significant damage. Thus, it is still unknown whether or not there has ever been a 10. failed arm (the "Reelfoot rift") of a late Precambrian triple junction. Map of active US fault lines in the USA by USGS. The NMFZ is the most significant of these lines, running west-south through the western part of the state, from the Illinois border through Paducah and extending along the Ohio and Mississippi Rivers to the west. thisYr = thisYr + 1900; 2 that took place near Cawood in 1909. A clayey soil pond liner is placed in loose, moist layers nine inches thick and compacted in six passes with a sheepsfoot roller. Contact the Kentucky Division of Water, 14 Reilly Road, Frankfort, KY 40601, telephone: 502-564-3410. 0000001314 00000 n Kentucky. Deposition of the Upper Cincinnati arch.--The Cincinnati arch, a prominent regional uplift in the eastern midcontinent, extends from Borden Formation (Mbf) at the east margin of sheet 3 about 4 mi south of the Ohio River. The general configuration of the basin is shown by a contour map of the base of the A recently assembled series of studies on the New Madrid region (McKeown Kentucky 1:24,000 Geologic Map Data. Howell (1963), who applied the name Rome trough to a belt of thickened Cambrian Rome Formation in the But while Americans are aware of the San Andreas fault and the seismic activity in California, which has wreaked havoc in San Francisco and Los Angeles, there are other, lesser-known fault lines in the United States that fly dangerously under the radar. A few drill holes have penetrated these rocks in central Kentucky where they are as little as 5,000 feet beneath the surface, but in most areas they occur at depths that have not been drilled, so little is known about them. Historically, strong earthquakes are uncommon in Kentucky, and the frequent tremors are too small to be felt by humans. The intensity of the largest of the three main shocks has been given as XII, and the body-wave This is a dramatic example of an angular unconformity, where layers of underlying strata dip in a different direction than the strata above them. 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