[1], Earthquakes that occur in the New Madrid Seismic Zone potentially threaten parts of seven American states: Illinois, Indiana, Missouri, Arkansas, Kentucky, Tennessee, and Mississippi.[2]. The orientations of Shmin are radial to the Gulf of Mexico, in contrast to the east-northeast trends of SHmax that characterize most of North America east of the Rocky Mountains; the stress field in the crust beneath the thick post-rift sequence is unknown (Zoback and Zoback, 1991 #2006). 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. All rights reserved. Eocene to Holocene (Szabo and Copeland, 1988 #1946; DuBar and others, 1991 #2010). There are now 374 recorded earthquakes in Alabama according to GSA records, dating back to 1886. [9] Since 1886, slightly more than 10 percent of earthquakes with an epicenter in Alabama have been an estimated magnitude 3 or greater. at 12:50 August 21, 2021 UTC, Location: Magnitude estimates and epicenters are based on interpretations of historical accounts and may vary. Over the last several weeks, earthquakes have rocked parts of the United States from Alaska to Wednesday morning's quake in Tennessee. Faults with evidence of Holocene (about 10,000 . (2.2 miles), 2021-09-11 12:08:51 UTC It spans a sequence of four northwest-trending tectonostratigraphic terranes of the Klamath Mountains geologic province that includes, from east to west, the Eastern Hayfork, Western Hayfork, Rattlesnake Creek, and Western Jurassic terranes, as well as, in the southwe, The Hyampom 15' quadrangle lies west of the Hayfork 15' quadrangle in the southern part of the Klamath Mountains geologic province of northern California. 4.2 km from This post-rift sequence thickens seaward (Salvador, 1991 #2020). The map clearly identifies the locations of the great earthquakes (M8.0 and larger) and the, This report provides trench photomosaics, logs and related site information, age data, and earthquake event evidence from three paleoseismic trench sites on the Bear River Fault Zone. Here a map of the major earthquake fault lines in the USA. Three quakes so close together might qualify as unusual, but its hardly unprecedented. Owens Cross Roads 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). 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. It also covers a part of West Tennessee, near Reelfoot Lake, extending southeast into Dyersburg. Thorsby The 15 May 2020, M6.5 Monte Cristo Range earthquake was the largest earthquake in Nevada in over 66 years and occurred in a sparsely populated area of western Nevada about 74 km southeast of the town of Hawthorne. This almighty quake caused extensive damage to the transportation systems in central Alaska. Booneville Ground shaking is the most powerful predictor of damage from an earthquake. We do have episodes of this kind of seismic activity clusters once in a while, Ebersole said. [31], According to the USGS, a broad consensus exists that the possibility of major earthquakes in the NMSZ remains a concern, and that the GPS data do not provide a compelling case for lessening perceived earthquake hazards in the region. [] Reply. With all the pressure of the continents that are actually still moving around, theyre bumping into each other and pulling apart from each other in certain places, all of that kind of adds up stress along those weak zones, Ebersole said. McMinnville 5.2 km from They released this map for the lower 48 states in 2014. 2 earthquakes in the past 30 days. American Geologist. Everyone Practices Cancel Culture | Opinion, Deplatforming Free Speech is Dangerous | Opinion, 4.4 Magnitude Earthquake Rumbled Tennessee, Says USGS, East Antartica Glaciers Melting at 'Systematic' Rate. Because uplift rates associated with large New Madrid earthquakes could not have occurred continuously over geological timescales without dramatically altering the local topography, studies have concluded that the seismic activity there cannot have gone on for longer than 64,000 years, making the New Madrid Seismic Zone (NMSZ) a young feature, or that earthquakes and the associated uplift migrate around the area over time, or that the NMSZ has short periods of activity interspersed with long periods of dormancy. The estimated magnitude of this earthquake ranged from 7.0 to 7.9 with a surface wave magnitude of close to 8.5. 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. These listric normal faults, their splays, and their antithetic and transfer faults make up the belt of gulf-margin normal faults described here. In early to middle Mesozoic time, the opening of the Gulf of Mexico formed a south-facing, rifted, passive margin at the southern edge of North America (DuBar and others, 1991 #2010; Salvador, 1991 #2019; Salvador, 1991 #2020). line that runs from New York to Alabama. An official website of the United States government. Based on artifacts found buried by sand blow deposits and from carbon-14 studies, previous large earthquakes like those of 18111812 appear to have happened around AD 1450 and 900,[12] as well as around AD 300. (10.2 miles), 2021-03-14 11:22:09 UTC (11.2 miles), 2021-12-11 18:34:41 UTC If you purchase a product or register for an account through one of the links on our site, we may receive compensation. 13.2 km from The largest earthquakes to have occurred since then were on January 4, 1843, and October 31, 1895, with magnitude estimates of 6.0 and 6.6, respectively. Clanton The largest NMSZ earthquake of the 20th century was a 5.4-magnitude quake (although it was reported as a 5.5 at the time) on November 9, 1968, near Dale, Illinois. 2023-02-12 02:43:51 (UTC-08:00) 44.1 km . Whitwell [12] The Cahaba Basin and Black Warrior Basin in central Alabama produce coalbed methane. 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). The period passed with no major earthquake activity in New Madrid or along the 120-mile (190km) fault line. At 1 pm on Christmas Day 1699, at a site near the present-day location of Memphis, the party was startled by a short period of ground shaking. Powells Crossroads Epicenter at 35.636, -85.655 Michael Tuomey, appointed state geologist in 1847, completed a Geological Map of Alabama and in 1849 and published the first of two comprehensive reports on the state's resources a year later. 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. (6.2 miles), 2021-07-18 02:27:29 UTC (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? major geological fault line. There hasn't been a major earthquake since. at 06:12 November 07, 2021 UTC, Location: 9.2 km from The various colors and line types indicate different ages of the most recent earthquakes on the fault and how well the location of the fault is constrained. Furthermore, some of the sparse seismicity in the normal-fault belt may be artificially induced. Because the tree ring record in Reelfoot Lake and the St. Francis sunk lands extend back to 1682 and 1321, respectively, Van Arsdale et al. The New Madrid fault system was responsible for the 1811-12 New Madrid earthquakes . (11.2 miles), 2021-11-06 06:50:03 UTC at 00:51 August 13, 2022 UTC, Location: Featured at the top are our most popular interactive maps, but there are more USGS map publications, listed below on this page. The recent Virginia Trenton American Geosciences Institute. Lidar imagery of the Wenas Valley illuminated the west-northwest-trending, 2- to 8-meter-high scarp as it bisected alluvial fans developed at the mouths of canyons along the south side of Umtanum Ridge. The major earthquake and large aftershock in Turkey on Monday are two of more than 70 quakes of magnitude 6.5 or higher recorded in the region since 1900. In 1997, the a magnitude-4.9 earthquake was recorded northeast of Atmore. (1995). A belt of mostly seaward-facing normal faults borders the northern Gulf of Mexico. SDC/Map Color. "Documentation for the 2014 Update of the United States National Seismic Hazard Maps", Earthquake Hazard in the New Madrid Seismic Zone Remains a Concern, U. Memphis, TN, Center for Earthquake Research and Information (CERI) comprehensive references for the 18111812 earthquakes, Space geodetic evidence for rapid strain rates in the New Madrid seismic zone of Central USA (PDF), https://en.wikipedia.org/w/index.php?title=New_Madrid_Seismic_Zone&oldid=1136422696. Smith, Eugene Allen (October 1897) "Sketch of the Life of Michael Tuomey". Triassic-Jurassic rifting and sedimentation, including deposition of the Louann Salt, led to Mesozoic growth faulting and salt tectonism. Share sensitive information only on official, secure websites. (3.2 miles), 2022-08-13 00:51:51 UTC Source: U.S. Geological Survey Seismic Hazard Maps and Data (2014). Where are the Alabama earthquake fault lines? [29], On March 13, 2009, a research group based out of Northwestern University and Purdue University, funded by the USGS, reported in Science and other journals that the New Madrid system may be "shutting down" and that tectonic stress may now be accumulating elsewhere. at 08:07 December 04, 2022 UTC, Location: Trion The largest quake to strike Alabama directly was a 5.1 magnitude that hit the Irondale-Easonville area on Oct. 18, 1916. major fault lines that you need to worry about. Trion [33], Reelfoot Rift and the New Madrid Seismic Zone in a 3D topographic image, Magnetic potential map of the Reelfoot Rift, Pages displaying wikidata descriptions as a fallback, Petersen, Mark D.; Moschetti, Morgan P.'; Powers, Peter M.' et al. The stress field is extensional throughout the post-rift sequence in both the Interior and Coastal zones of the normal-fault belt, as determined mostly from drill-hole data that demonstrate fault slips and well-bore breakouts (Zoback and Zoback, 1991 #2006). i think around the western part of mobile county close too the what it was, we have felt it twice at night on different 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. interpreted the lack of similar signals elsewhere in the chronology as evidence against large New Madrid earthquakes between those years and 1811. Epicenter at 33.201, -86.11 [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. 2023 Advance Local Media LLC. Tap/click on "gear icon" for options and settings. 4.5. Primarily designed for use by earth scientists, engineers, and educators, this map provides a comprehensive overview of strong (magnitude [M] 5.5 and larger) earthquakes since 1900. at 12:08 September 11, 2021 UTC, Location: occasions. 5.2 km from View Earthquake Map Faults Interactive fault map and comprehensive geologically based information on known or suspected active faults and folds in the United States. Its now been 207 years since the last major New Madrid seismic event. 13.2 km from The strongest earthquake in state history, it registered an estimated Richter scale magnitude of 5.1 and resulted in extensive, but minor damage. Earthquake magnitudes are calculated on a logarithmic scale, so a magnitude 3.0 quake is 10 times more powerful than a 2.0. (2) The Coastal zone of Ewing (1991 #1994) covers southern Louisiana, coastal Texas, and their offshore extensions, and is separated from the Interior zone by the Early Cretaceous shelf edge (Ewing, 1991 #1994; Ewing and Lopez, 1991 #2032). at 05:45 October 09, 2022 UTC, Location: Only List Earthquakes Shown on Map . And then you have little shifts and thats what ends up initiating your earthquakes.. at 06:19 February 01, 2021 UTC, Location: And another New Madrid seismic event is due just about any time now, geologically speaking. [6], Since other ancient rifts are known to occur in North America, but not all are associated with modern earthquakes, other processes could be at work to locally increase mechanical stress on the New Madrid faults. The earthquake produced surface rupture distributed across a 28-km-long zone along the eastward projection of the Candelaria fault in the Mina deflection of the central Walker Lane. Mississippi line. To reflect regional differences in the characteristics of the faults, those in Florida and Alabama (described here) are evaluated together in a single group, as are those in Mississippi, those in Louisiana and Arkansas, and those in Texas. Dalton Earthquake Hazard in the New Madrid Seismic Zone Remains a Concern USGS (2009). Alabama, United States has had: (M1.5 or greater) 0 earthquakes in the past 24 hours. To read more information on individual earthquakes or faults, click the feature on the map. 5.2 km from (1) The Interior zone of Ewing (1991 #1994) includes the entire belt except southern Louisiana, coastal Texas, and their offshore extensions. Depth and magnitude of quakes versus time plot Interactive map Try our free app! Bookmark this page to return to map/list with the same settings or save your settings with the button below. [11], Alabama's abundant natural mineral resources include commercially viable deposits of coal, oil, natural gas, and various minerals such as limestone and marble. Alabama shakes: Small earthquakes common, potential for big one exists. [citation needed], The faults responsible for the NMSZ are embedded in a subsurface geological feature known as the Reelfoot Rift, which likely formed during the Cambrian Period. 18.2 km from Due to the fault, the blocks can easily move, which is what is happening when an earthquake occurs. FAQ - Frequently Asked Questions AGI's Critical Issues Program is generously underwritten in memory of Charles L. Weiner. (8.2 miles), 2022-12-04 06:16:37 UTC [1][2] The Geological Survey of Alabama breaks these provinces down into more specific physiographic provinces. The report estimated 86,000 casualties, including 3,500 fatalities, 715,000 damaged buildings, and 7.2 million people displaced, with two million of those seeking shelter, primarily due to the lack of utility services. The most recent quake registered as a magnitude 4.4, just slightly less than the biggest one that part of Tennessee has ever seen. It includes information like how old the faults are and users can also click on the fault area to learn more about the specific fault there. the New York-Alabama Lineament, which is a major magnetic fault Knowing these major and active Philippine fault lines, it becomes clear why earthquakes frequent different parts of the country. at 06:44 November 22, 2022 UTC, Location: Advanced National Seismic System Latest earthquakes map and list (past 24 hours, M2.5+). Who makes the plaid blue coat Jesse stone wears in Sea Change? at 21:51 September 04, 2022 UTC, Location: a Thursday we felt a tremor that shook the place, no one else knew Tuomey was succeeded by Eugene Allen Smith, who built on the initial researches to establish the geological history of the state. Epicenter at 34.687, -85.077 A fault is a fracture between two blocks of rock, according to the United States Geological Survey. (3.2 miles), 2021-02-01 06:19:25 UTC The presence of the normal faults throughout the post-rift sequence from westernmost Florida to southern Texas (Ewing and Lopez, 1991 #2032) demonstrates that the sequence is sliding and extending seaward on detachments in weak salt and overpressured shales. The last time it probably slipped was 10 thousand, 12 thousand years ago" said Velasco. Tap/click on "gear icon" for options and settings. [27], The lack of apparent land movement along the New Madrid fault system has long puzzled scientists. Epicenter at 34.684, -85.073 Dalton See below for an embedded map of all documented Alabama earthquakes dating back to 1886. These were interpreted as clear signals of the 18111812 earthquake series in tree rings. The three earthquakes recorded near the Alabama-Florida state line since March 6 are part of the normal seismic activity, of the area, according to the director of Alabamas Geological Investigations Program. at 07:37 February 24, 2023 UTC, Location: [16], Hundreds of aftershocks of the 18111812 series followed over a period of several years. Dalton (9.2 miles), 2021-10-13 20:22:15 UTC Epicenter at 35.046, -85.128 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). Because numerous individual faults are combined into a single group for this compilation, it is not possible to provide to provide digital information about the azimuth, length, and dip of each individual fault. 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. The fault runs along the east side of the Franklins. A strike-slip fault is when two blocks slip past one another, like the San Andreas Fault line. At the time of the quake, it was the biggest recorded quake with an epicenter in Illinois in that state's recorded history. Aftershocks strong enough to be felt occurred until 1817. Since 1812, frequent smaller earthquakes have been recorded in the area. A fault is a break in the earth's crust along which movement can take place causing an earthquake. "And from what they've been able to determine is that these events occur on an average cycle of 200-300 years.". Magnitude. [3], The broad, flat coastal plain stretches across the southern portion of the state, extending north from the Gulf coast to the Fall Line near Montgomery, Alabama. At the coastline, the sequence is at least 10 km thick west of the Mississippi River and at least 5 km thick farther east. Could experience strong shaking. These maps are used in determining building seismic codes, insurance rates, and other public decisions. On March 6, a magnitude-2.6 earthquake was recorded near Century, Florida, close to the Alabama border. Epicenter at 34.673, -88.515 Stevenson Copyright 2023. (3.2 miles), 2022-12-04 10:57:58 UTC One concern is that the small earthquakes that still happen are not diminishing over time, as would be if they were aftershocks of the 18111812 events; another is that the 4,500-year archaeological record of large earthquakes in the region is more significant than 10 years of direct strain measurement. (10.2 miles), 2022-01-19 05:33:43 UTC The data behind it was acquired in the early hours of Friday by the European Union's Sentinel-1A satellite as it traversed north to south over Turkey at an altitude of 700km (435 miles). Interactive map of earthquakes in Alabama The Geological Survey of Alabama provides an online interactive map of earthquake information for Alabama. Note that most faults that can affect residents are either onshore or just offshore. All information managed by the Geological Survey of Alabama. This fault line is called the Quaternary 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. The post-rift sequence as a whole is at least 9-11 km thick throughout the Coastal zone (Salvador, 1991 #2020). The geology of Alabama is marked by abundant geologic resources and a variety of geologic structures from folded mountains in the north to sandy beaches along the Gulf of Mexico coast. On this Wikipedia the language links are at the top of the page across from the article title. The 3.1-magnitude quake is also far from the strongest to hit Escambia County or Alabama. See the Related Link below for more information on fault lines Share Settings Did You Feel It? 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? Stephenson, W.J., K.M. Epicenter at 35.169, -85.104 By studying evidence of past quakes and closely monitoring ground motion and current earthquake activity, scientists attempt to understand their causes and recurrence intervals. Subscribe to Earthquake Notifications ShakeAlert Earthquake Early Warning Significant Earthquakes, Past 30 Days Significant Earthquakes Archive This earthquake, which occurred Dec. 20 about three miles outside of Bryant, Ala. near the Tennessee border, had a magnitude of just 1.8, meaning it would be very hard to detect without. Copyright 2023. The post-rift sequence and its belt of gulf-margin normal faults may be mechanically decoupled from the underlying crust. [15], The first known written record of an earthquake felt in the NMSZ was from a French missionary traveling up the Mississippi with a party of explorers. Epicenter at 34.673, -85.103 at 22:49 December 24, 2022 UTC, Location: California Department of Conservation. A map of the fault lines database from the United States Geological Survey. (3.2 miles), 2021-04-07 06:37:11 UTC This fault line is called the Quaternary fault. People in Boston said their buildings swayed. [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. The alignment of the scarp and aero, The Boylston Mountains anticlinal ridge is one of several that are cored by rocks of the Columbia River Basalt Group and, with the interceding synclinal valleys, constitute the Yakima fold-and-thrust belt of central Washington. Tap/click on "gear icon" for options and settings. National Earthquake Hazards Reduction Program (NEHRP). 13.2 km from What is A person who sells flower is called? Consistent with the stress field in the post-rift sequence, the normal-faulting focal mechanism of the 1997, M 4.9 earthquake in southwestern Alabama indicated south-southwest extension (Chang and others, 1998 #1806). Report it Here! The map is from a 2007 report (click here to download) on seismic design categories in Washington. Dalton Fault Activity Map of California. [4] The rift failed to split the North American continent, but it has remained as an aulacogen (a scar or zone of weakness) deep underground. Click here to access the latest map that includes induced earthquake hazards. 7.2 km from The epicenter of the quake was located at 18.44N., 72.57W. Dalton Interactive Earthquake Map of AL Earthquakes are not uncommon in Alabama. 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