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[13], The first scientific reports of Alabama's geology were made during field studies by R. T. Brumby in the late 1830s and Sir Charles Lyell in the early 1840s. The USGS and its partners monitor and report earthquakes, assess earthquake impacts and hazards, and perform research into the causes and effects of earthquakes. The report found that there would be significant damage in the eight states studied Alabama, Arkansas, Illinois, Indiana, Kentucky, Mississippi, Missouri, and Tennessee with the probability of additional damage in states farther from the NMSZ. Ground shaking is the most powerful predictor of damage from an earthquake. GIS shapefiles and metadata: Geospatial Hazards Data page. American Geosciences Institute. Epicenter at 34.615, -85.29 And another New Madrid seismic event is due just about any time now, geologically speaking. The USGS has a faults website that includes an interactive fault map that allows users to views a map of the U.S. layered with the different faults all across the country. Trion Epicenter at 35.296, -85.484 Tennessee, Arkansas, and Missouri would be most severely impacted, and the cities of Memphis, Tennessee, and St. Louis, Missouri, would be severely damaged. Dalton Ground shaking is the most powerful predictor of damage from an earthquake. Epicenter at 34.673, -85.103 line that runs from New York to Alabama. The. (11.2 miles), 2021-12-11 18:34:41 UTC Faults can also move slowly and when they do, they don't cause the rapid or violent movement that a slip or a quick movement can cause. Triassic-Jurassic rifting and sedimentation, including deposition of the Louann Salt, led to Mesozoic growth faulting and salt tectonism. Tuomey was succeeded by Eugene Allen Smith, who built on the initial researches to establish the geological history of the state. Faults with evidence of Holocene (about 10,000 . There are now 374 recorded earthquakes in Alabama according to GSA records, dating back to 1886. Maps of these fault lines can be For the most up-to-date information, please refer to the interactive fault map. Instruments were installed in and around the area in 1974 to closely monitor seismic activity. This level of seismicity is even less than that of sparsely seismic North and South Dakota, which together cover approximately the same area as the belt of gulf-margin faults and which had seven earthquakes of MMI VI since 1909 (Stover and Coffman, 1993 #1986). Alabama spans three continental geologic provinces as defined by the United States Geological Survey, the Atlantic Plain, Appalachian Highlands, and Interior Plains. Epicenter at 34.98, -86.619 reason i say this , is because the other night on LaFayette (10.2 miles), 2021-03-14 11:22:09 UTC [27], The lack of apparent land movement along the New Madrid fault system has long puzzled scientists. (July 17, 2014), "Center for Earthquake Research and Information at the University of Memphis", "Reelfoot rift and its impact on Quaternary deformation in the central Mississippi River valley", "Reelfoot Rift: Reactivated Precursor to the Mississippi Embayment", 10.1130/0016-7606(1975)86<1287:RRRPTT>2.0.CO;2, "Uncovering Hidden Hazards in the Mississippi Valley", "USGS Earthquake Hazards Program, Earthquake Report: Kentucky", 10.1130/0091-7613(2001)029<0175:DDTISI>2.0.CO;2, "Sinking Mafic Body in a Reactivated Lower Crust: A Mechanism for Stress Concentration at the New Madrid Seismic Zone", "Descent of the ancient Farallon slab drives localized mantle flow below the New Madrid seismic zone", "How old is the New Madrid Seismic Zone? 4.2 km from Those faults date back millions of years, to the Jurassic and Cretaceous periods, when the supercontinent Pangea split into the continents as we know them today. Direct economic losses, according to the report, would be at least $300 billion. UK NEWS: FIND OUT IF THERE ARE TRAIN STRIKES IN MARCH 2023 . Potential Effects of Shaking. It spans parts of four generally northwest-trending tectono- stratigraphic terranes of the Klamath Mountains, the Eastern Hayfork, Western Hayfork, Rattlesnake Creek, and Western Jurassic terranes, as well as, in the southwest corner of the quad, 12201 Sunrise Valley Drive Reston, VA 20192, Region 2: South Atlantic-Gulf (Includes Puerto Rico and the U.S. Virgin Islands), Region 12: Pacific Islands (American Samoa, Hawaii, Guam, Commonwealth of the Northern Mariana Islands), Surface Rupture Map of the 2020 M 6.5 Monte Cristo Range earthquake, Esmeralda and Mineral counties, Nevada, Stratigraphic and structural relations in trench exposures and geomorphology at the Big Burn, Lily Lake, and Lester Ranch sites, Bear River Fault Zone, Utah and Wyoming, Map of recently active traces of the Rodgers Creek Fault, Sonoma County, California, Map of landslides triggered by the January 12, 2010, Haiti earthquake, Seismic-hazard maps for the conterminous United States, 2014, Paleoseismology of a possible fault scarp in Wenas Valley, central Washington, Paleoseismology of a newly discovered scarp in the Yakima fold-and-thrust belt, Kittitas County, Washington, Seismic-Hazard Maps for the Conterminous United States, 2008, Reconnaissance geologic map of the Dubakella Mountain 15 quadrangle, Trinity, Shasta, and Tehama Counties, California, Reconnaissance geologic map of the Dubakella Mountain 15 quadrangle, Trinity, Shasta, and Tehama counties, California, Reconnaissance geologic map of the Hyampom 15' quadrangle, Trinity County, California. the New York-Alabama Lineament, which is a major magnetic fault Share Settings Trion A fault line called the Pollard Fault System runs through the area of Escambia County, connecting with the Foshee Fault System in Florida. Depth and magnitude of quakes versus time plot Interactive map Try our free app! 2.2 km from Who makes the plaid blue coat Jesse stone wears in Sea Change? This post-rift sequence thickens seaward (Salvador, 1991 #2020). On Wednesday, a 2.1-magnitude earthquake was recorded just over half a mile north of Flomaton. The U.S. Geological Survey (USGS) National Seismic Hazard Map shows the strength of ground shaking that has a 1 in 50 chance of being exceeded in a particular place in the lower 48 states over a period of 50 years. Since then, more than 4,000 earthquakes have been recorded, most of which were too small to be felt. For the purposes of his compilation, the Gulf Coast faults are divided in four large groups because they number in the hundreds. 1 earthquake in the past 7 days. Clanton (4.2 miles), 2021-11-07 06:12:39 UTC Alabama does not rest along the edge of a major tectonic plate, like California. In the winter of 1811-1812, a series of massive quakes ripped through the southeast Missouri, essentially destroying the town of New Madrid (pronounced mad-rid, not muh-drid), and causing major damage to St. Louis. at 18:01 April 21, 2022 UTC, Location: a year. There are different types of faults as well including the normal fault, the thrust fault, and strike-slip fault, a left-lateral strike-slip fault and a right-lateral strike-slip fault. 7.2 km from 9.2 km from 9.2 km from Crossing over Transmountain Road and even running along Alabama Street near Northeast El Paso. at 05:45 October 09, 2022 UTC, Location: Accordingly, the fault belt is assigned to class B. at 12:08 September 11, 2021 UTC, Location: The zone had four of the largest earthquakes in recorded North American history, with moment magnitudes estimated to be as large as 7.0 or greater, all occurring within a 3-month period between December 1811 and February 1812. [12] The Cahaba Basin and Black Warrior Basin in central Alabama produce coalbed methane. "And from what they've been able to determine is that these events occur on an average cycle of 200-300 years.". Multiple landslides and rock avalanches occurred in the Alaska Range and Black Rapids Glacier. earthquakes in an area or region. Epicenter at 33.201, -86.11 [23] In 2008 in the nearby Wabash Valley Seismic Zone, a similar magnitude 5.4 earthquake occurred with its epicenter in Illinois near West Salem and Mount Carmel. Vol. The New Madrid fault system was responsible for the 1811-12 New Madrid earthquakes . at 06:50 November 06, 2021 UTC, Location: [32], In July 2014, the USGS increased the risk assessment for the New Madrid area. A belt of mostly seaward-facing normal faults borders the northern Gulf of Mexico in westernmost Florida, southwestern Alabama, southern Mississippi, all of Louisiana and southernmost Arkansas, and eastern and southern Texas (Ewing and Lopez, 1991 #2032). D/Light Brown. (3.2 miles), 2021-02-01 06:19:25 UTC There is one major fault line that runs through Alabama and the rest of the gulf coast. In a report filed in November 2008, the U.S. Federal Emergency Management Agency warned that a serious earthquake in the NMSZ could result in "the highest economic losses due to a natural disaster in the United States," further predicting "widespread and catastrophic" damage across Alabama, Arkansas, Illinois, Indiana, Kansas, Kentucky, Mississippi, Missouri, Oklahoma, Texas, and particularly Tennessee, where a 7.7 magnitude quake would cause damage to tens of thousands of structures affecting water distribution, transportation systems, and other vital infrastructure. Calculations show that the crustal load from rapid Quaternary sedimentation may aid Quaternary normal faulting and reactivate Tertiary faults of the Coastal zone by imposing extensional bending stresses on the post-rift sequence; older extensional stresses imposed by the Mesozoic sediment load have had time to relax (Nunn, 1985 #2215). Regional fluctuations in the overall deposition rate divide the belt of gulf-margin faults into two parts with different main ages of faulting and different degrees of Quaternary faulting. 2023-02-12 02:43:51 (UTC-08:00) 44.1 km . For information about specific risks in your local area, contact your state geological survey or regional earthquake consortium: Click here to access the National Seismic Hazard maps. An official website of the United States government. What are the two applications of bifilar suspension? are the Hayesville-Fries fault line and the Brevard Fault. 10.2 km from LaFayette 20, p. 207, "East Gulf Coastal Plain Ecoregional Plan", https://en.wikipedia.org/w/index.php?title=Geology_of_Alabama&oldid=1106112936, Articles with dead external links from January 2017, Articles with permanently dead external links, Articles with dead external links from November 2018, Creative Commons Attribution-ShareAlike License 3.0, This page was last edited on 23 August 2022, at 07:29. That fault was likely responsible for a major earthquake (estimated magnitude 6-7) that occurred near Pensacola, Fla. in 1781, leveling at least one home and shaking ammunition racks from the walls of a barracks. Trion The 1916 Irondale earthquake struck in the north-central region of the U.S. state of Alabama on October 18. Official websites use .gov major fault lines that you need to worry about. There's one database for Class A and B faults and another for Class C and D faults. Due to the fault, the blocks can easily move, which is what is happening when an earthquake occurs. According to the U.S. Geological Surveys self-reporting tool, the 3.1-magnitude quake was detected as far away as Mobile and Pensacola. It can be particularly helpful for those who want to know what their risk of experiencing an earthquake is where they live. A 2009 study estimated that a 7.7-magnitude New Madrid event could cause $1 billion in damages to roads and bridges in Alabama, hundreds of miles away from the projected epicenter. Only List Earthquakes Shown on Map . YouTubes privacy policy is available here and YouTubes terms of service is available here. [3][6], Extreme north Alabama marks the southeast border of the Interior Plains province, characterized by flat or gently rolling terrain. in the U.S. east of the Rocky Mountains. And then you have little shifts and thats what ends up initiating your earthquakes.. 4.2 km from As of January 12, 2017, the USGS maintains a limited number of metadata fields that characterize the Quaternary faults and folds of the United States. Share sensitive information only on official, secure websites. A teacher walks into the Classroom and says If only Yesterday was Tomorrow Today would have been a Saturday Which Day did the Teacher make this Statement? Sandy Ebersole, who heads the division of the Geological Survey of Alabama that documents and studies earthquakes in the state, said its not unusual or surprising to have multiple small-scale earthquakes in quick succession in the state. [13] About 80km southwest of the presently defined NMSZ, but close enough to be associated with the Reelfoot Rift, near Marianna, Arkansas, two sets of liquefaction features indicative of large earthquakes have been tentatively identified and dated to 3500 and 4800 BC. In Utah, movement along faults is mostly vertical; mountain blocks (for example, the Wasatch Range) move up relative to the downward movement of valley blocks (for example, the Salt Lake Valley). (8.2 miles), 2022-11-22 06:44:43 UTC Although some of these ideas have gained some acceptance among researchers, they have not been accepted by the National Earthquake Prediction Evaluation Council, which advises the USGS. [3][5], This relative weakness is important, because it would allow the relatively small eastwest compressive forces associated with the continuing westward continental drift of the North American Plate to reactivate old faults around New Madrid, making the area unusually prone to earthquakes in spite of it being far from the nearest tectonic plate boundary. Rapid deposition and the resulting enormous thickness of the post-rift sediments caused them to collapse and spread seaward. These maps are used in determining building seismic codes, insurance rates, and other The 3.1-magnitude quake is also far from the strongest to hit Escambia County or Alabama. While Alabama sees plenty of minor quakes on its own, the largest danger of a significant earthquake event probably lies far across the state lines in the New Madrid seismic zone, which stretches across Missouri, Arkansas, western Tennessee, and Kentucky. USGS scientists update these maps as they get more data and their knowledge about earthquake hazards improves. [7][8] Also, some form of heating in the lithosphere below the area has been suggested to be making deep rocks more plastic, which would concentrate compressive stress in the shallower subsurface area where the faulting occurs.[9][10]. 0.2 km from A map of the fault lines database from the United States Geological Survey. Salt flowed southward and pierced upward, and the overlying sediments extended on listric, normal, growth faults that flatten downward into detachments in the salt and in overpressured shales (Ewing, 1991 #1994; Nelson, 1991 #1995). (8.2 miles), 2022-10-09 05:45:39 UTC The GSA reported: "Near the epicenter, chimneys were knocked down, windows. Note: Beginning in 2016, the U.S. Geological Survey has produced an annual seismic hazard map for the central and eastern United States that includes induced earthquakes. 4.2. . [7] Alabama also lies within the influence of the New Madrid Seismic Zone and the South Carolina Seismic Zone, earthquakes in those zones have resulted in damage in Alabama. (2.2 miles), 2021-09-11 12:08:51 UTC The Geological Survey of Alabama provides an online interactive map of earthquake information for Alabama. East Brainerd It is at least 2 km thick everywhere in the belt of gulf-margin normal faults. [14], Dendrochronology (tree ring) studies conducted on the oldest bald cypress trees growing in Reelfoot Lake found evidence of the 18111812 series in the form of fractures followed by rapid growth after their inundation, whereas cores taken from old bald cypress trees in the St. Francis sunklands showed slowed growth in the half century that followed 1812. 7.2 km from Greene County, south of Tuscaloosa, experienced 21 earthquakes in nine months from November 2014 to August 2015, including three separate earthquakes on a single day in February 2015, and a week in May 2015 that saw five earthquakes around Eutaw. Privacy Policy, West Virginia Geological & Economic Survey, Cascadia Region Earthquake Workgroup: CREW, Central United States Emergency Consortium: CUSEC, Northeast States Emergency Consortium: NESEC, Western States Seismic Policy Council: WSSPC, U.S. Geological Survey Seismic Hazard Maps and Data (2014), Interactive map of California earthquake hazard zones, Interactive map of geothermal resources in West Virginia, Interactive map of natural hazards in Nevada, Interactive map of earthquakes around the world, Interactive map of earthquakes in Alabama, Interactive map of earthquakes in Montana. Lakesite #1806 Chang, T.M., Ammon, C.J., and Herrmann, R.B., 1998, Faulting parameters of the October 24, 1997 southern Alabama earthquake [abs. The Kansas Earthquakes page on the KGS website includes a continuously updated interactive map that shows where earthquakes have occurred in the state since 2015. (5.2 miles), 2022-12-24 22:49:49 UTC McMinnville Epicenter at 35.636, -85.655 Android | iOS version Why is there advertising on this site? San Andreas-like fault found in eastern U.S. For years, geologists have been puzzled by a remarkably straight magnetic line that runs between New York and Alabama along the Appalachians. The initial researches to establish the Geological history of the U.S. state of Alabama on October 18 Geological Survey events... In central Alabama produce coalbed methane and Pensacola these events occur on an average cycle 200-300. Post-Rift sequence thickens seaward ( Salvador, 1991 # 2020 ) plate, like California: Geospatial Hazards page. Share sensitive information only on official, secure websites sedimentation, including of! Blue coat Jesse stone wears in Sea Change experiencing an earthquake earthquake is they! Then, more than 4,000 earthquakes have been recorded, most of which were too to! 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Trion the 1916 Irondale earthquake struck in the belt of gulf-margin normal faults.... Area in 1974 to closely monitor seismic activity just over half a mile north of.... As they get more Data and their knowledge about earthquake Hazards improves, 1991 # 2020 ) just.

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