Epicenter at 34.598, -85.456 Dalton [27], The lack of apparent land movement along the New Madrid fault system has long puzzled scientists. 4.5. The last time it probably slipped was 10 thousand, 12 thousand years ago" said Velasco. The April 29, 2003 earthquake centered near Fort Payne, Alabama was felt over a wide area and received extensive media coverage. (0.2 miles), 2022-04-21 18:01:25 UTC Also, generalized fault data used in the hazard maps. Newest First. 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. Earthquake scenarios describe the expected ground motions and effects of specific hypothetical large earthquakes. The quake damaged virtually all the buildings in Charleston, created sand volcanoes by the city, cracked a pier on the Cairo Rail Bridge, and toppled chimneys in St. Louis, Missouri; Memphis, Tennessee; Gadsden, Alabama; and Evansville, Indiana.[22]. Aftershocks strong enough to be felt occurred until 1817. Here a map of the major earthquake fault lines in the USA. D/Light Brown. Smith, Eugene Allen (October 1897) "Sketch of the Life of Michael Tuomey". 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. The epicenter of the quake was located at 18.44N., 72.57W. Alabama's fault lines cause frequent small earthquakes, but have the potential to cause much more damage. earthquakes in an area or region. Whitwell The largest quake to strike Alabama directly was a 5.1 magnitude that hit the Irondale-Easonville area on Oct. 18, 1916. Join half a million readers enjoying Newsweek's free newsletters. [9] Stevenson at 22:05 January 22, 2021 UTC, Location: A belt of mostly seaward-facing normal faults borders the northern Gulf of Mexico. [1][5] This province is further subdivided into the Piedmont, Valley and Ridge, and Appalachian Plateaus provinces. The USGS Earthquake Hazards Program is part of the National Earthquake Hazards Reduction Program (NEHRP), established by Congress in 1977, and the USGS Advanced National Seismic System (ANSS) was established by Congress as a NEHRP facility. [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. at 05:33 January 19, 2022 UTC, Location: Lakesite Epicenter at 34.758, -85.368 AGI's Critical Issues Program is generously underwritten in memory of Charles L. Weiner. [3], Alabama experiences frequent small earthquakes detectable only by instruments, and occasional moderate earthquakes large enough to be felt over a wide area and resulting in minor damage. 7.2 km from According to the U.S. Geological Surveys self-reporting tool, the 3.1-magnitude quake was detected as far away as Mobile and Pensacola. Alabama spans three continental geologic provinces as defined by the United States Geological Survey, the Atlantic Plain, Appalachian Highlands, and Interior Plains. 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. Stephenson, W.J., K.M. [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]. Trion 0.2 km from The 3.1-magnitude quake is also far from the strongest to hit Escambia County or Alabama. There hasn't been a major earthquake since 1916. Ground shaking is the most powerful predictor of damage from an earthquake. Tennessee, Arkansas, and Missouri would be most severely impacted, and the cities of Memphis, Tennessee, and St. Louis, Missouri, would be severely damaged. Extensive oil and gas deposits have been developed in the southern portion of the state, Mobile Bay, and coastal state waters. On March 6, a magnitude-2.6 earthquake was recorded near Century, Florida, close to the Alabama border. at a depth of 13 kilometers (km) approximately 25 km southwest of the capital, Port-au-Prince. 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? Epicenter at 34.684, -85.073 People in Boston said their buildings swayed. [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. Direct economic losses, according to the report, would be at least $300 billion. The northeast corner of the state is subject to the greatest peak accelerations due to the presence of the East Tennessee Seismic Zone. There is one major fault line that runs through Alabama and the rest of the gulf coast. 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. These publications did much to quantify the mineral wealth of the Birmingham District and helped establish the region's early iron industry. at 21:51 September 04, 2022 UTC, Location: (8.2 miles), 2022-12-04 06:16:37 UTC The only damaging earthquakes reported through 1989 in this huge tract of land are four MMI VI earthquakes in westernmost Florida (1780), southern Louisiana (1930), and eastern Texas (1891, 1932) (Stover and Coffman, 1993 #1986). Late Cretaceous and especially Cenozoic clastic sediments prograded southward led to abundant Cenozoic and continuing growth faulting and salt tectonism (for example DuBar and others, 1991 #2010, p. 584-585; Salvador, 1991 #2019). A guidebook to tracing the fault on public lands in the San Francisco Bay region; 2006; GIP; 16; Stoffer, Philip W. This fault line is called the Quaternary fault. Tap/click on "gear icon" for options and settings. Epicenter at 33.201, -86.11 The most recent quake registered as a magnitude 4.4, just slightly less than the biggest one that part of Tennessee has ever seen. Who makes the plaid blue coat Jesse stone wears in Sea Change? A fault line called the Pollard Fault System runs through the area of Escambia County, connecting with the Foshee Fault System in Florida. The Hayward Fault in California is the most dangerous earthquake fault in the USA and the single most urbanized earthquake fault in the United States - Stiri mobil stiri video stiri online pariuri1x2 Mar 29, 2018 At 3:03 pm [] Here a map of the major earthquake fault . 5.2 km from (1.2 miles), 2022-03-30 06:19:59 UTC However, there are several intraplate faults running through the state that can cause frequent small earthquakes, and rare larger ones. Epicenter at 34.683, -85.074 [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. [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. On this Wikipedia the language links are at the top of the page across from the article title. Post, This map illustrates 119 years of global seismicity in the context of global plate tectonics and the Earths physiography. Latest Earthquakes Latest earthquakes map and list (past 24 hours, M2.5+) from the ANSS (Advanced National Seismic System). [1][5], Extending north from the Fall Line to far northern Alabama, the Appalachian Highlands encompass the hills, valleys, mountains, and plateaus that make up the southern extent of the Appalachian Mountains. This fault line is called the Quaternary fault. 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). Epicenter at 34.601, -85.479 (1995). what it was, we have felt it twice at night on different at 10:57 December 04, 2022 UTC, Location: SDC/Map Color. Cookie Settings/Do Not Sell My Personal Information. C/Yellow. at 06:12 November 07, 2021 UTC, Location: Interactive fault map and comprehensive geologically based information on known or suspected active faults and folds in the United States. Why were Mexican workers able to find jobs in the Southwest? They released this map for the lower 48 states in 2014. 1 earthquake in the past 7 days. There hasn't been a major earthquake since. 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. These listric normal faults, their splays, and their antithetic and transfer faults make up the belt of gulf-margin normal faults described here. Secure .gov websites use HTTPS See below for an embedded map of all documented Alabama earthquakes dating back to 1886. Epicenter at 34.828, -85.811 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. at 06:44 November 22, 2022 UTC, Location: [1][5] This province is further divided into the Interior Low Plateaus province. Shaking from the 1997 quake near Atmore was felt as far away as eastern Mississippi, and effects from the quake were detected as far north as Lawrence County. Featured at the top are our most popular interactive maps, but there are more USGS map publications, listed below on this page. at 18:34 December 11, 2021 UTC, Location: The quake damaged the civic building at Henderson, Kentucky, and was felt in 23 states. Epicenter at 34.802, -85.046 (4.2 miles), 2021-01-22 22:05:10 UTC The 150-mile (240km)-long seismic zone, which extends into five states, stretches southward from Cairo, Illinois; through Hayti, Caruthersville, and New Madrid in Missouri; through Blytheville into Marked Tree in Arkansas. Data for each event are provided. in the U.S. east of the Rocky Mountains. All rights reserved. [3] The Reelfoot Rift was first described by Ervin and McGinnis (1975) and believed to be of late Precambrian age. a Thursday we felt a tremor that shook the place, no one else knew Triassic-Jurassic rifting and sedimentation, including deposition of the Louann Salt, led to Mesozoic growth faulting and salt tectonism. Trion It can be particularly helpful for those who want to know what their risk of experiencing an earthquake is where they live. Crossing over Transmountain Road and even running along Alabama Street near Northeast El Paso. You are planning an exercise that will include the m16 and m203. And another New Madrid seismic event is due just about any time now, geologically speaking. at 18:01 April 21, 2022 UTC, Location: Kimball 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. If you purchase a product or register for an account through one of the links on our site, we may receive compensation. These maps are used in determining building seismic codes, insurance rates, and other Seriously, check here first. 3.2 km from 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. 2.2 km from Known surface faults and interpreted subsurface faults are also shown, allowing users to see the relationships between different identified faults and historical earthquakes. Dalton 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. Earthquake Hazard. Monday afternoon, a magnitude-3.1 quake hit northeast of Flomaton. Did You Feel It? The map also shows potentially active faults from a separate 2014 report (click here to download). Unionville 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. (3.2 miles), 2021-02-01 06:19:25 UTC In 1997, the a magnitude-4.9 earthquake was recorded northeast of Atmore. 4.2 km from Escambia County is in the Bahamas Fracture seismic zone, which stretches across Mississippi, lower Alabama, down the western side of Florida toward the Caribbean. a year. Epicenter at 35.169, -85.44 American Geosciences Institute. The amount of shaking an earthquake produces at a particular place depends not only on the earthquake's size, but also local characteristics like the bedrock type and soil type. Owens Cross Roads The 1916 Irondale earthquake struck in the north-central region of the U.S. state of Alabama on October 18. 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. Latest earthquakes map and list (past 24 hours, M2.5+) from the ANSS (Advanced National Seismic System). It also covers a part of West Tennessee, near Reelfoot Lake, extending southeast into Dyersburg. [27] The United States Geological Survey (USGS) requested an evaluation of the prediction by an advisory board of earth scientists, who concluded, "the prediction does not have scientific validity. Dalton 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. Accordingly, the fault belt is assigned to class B. 2654 Last Review Date: 1998-08-11 at 11:22 March 14, 2021 UTC, Location: An official website of the United States government. The New Madrid fault system was responsible for the 1811-12 New Madrid earthquakes . What is A person who sells flower is called? Evidence has also been found for an apparent series of large earthquakes around 2350 BC. 9.2 km from The 1895 event had its epicenter near Charleston, Missouri. 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. 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. [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]. States. at 07:37 February 24, 2023 UTC, Location: The. 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. USGS The USGS has a faults website that includes an interactive fault map that allows users to views a map. (3.2 miles), 2022-05-15 09:32:06 UTC Conclusive evidence of the origin of the Wetumpka Impact Crater was found by Auburn University geology professor David T. King in 1998.[16]. What are the disadvantages of shielding a thermometer? Since then, more than 4,000 earthquakes have been recorded, most of which were too small to be felt. In summary, the belt of gulf-margin normal faults in from Florida through Texas has strikingly low historical seismicity; the stress field and seismogenic potential of the underlying crust are unknown; and, therefore, the ability of the fault belt to generate significant seismic ruptures that could cause damaging ground motion is unclear. 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. On Wednesday, a 2.1-magnitude earthquake was recorded just over half a mile north of Flomaton. 18.2 km from Sylacauga Our motivation for studying the Bear River Fault Zonea nascent normal fault in the Rocky Mountains east of the Basin and Range physiographic provinceis twofold: (1) the intriguing conclusion from previous work that, The accompanying map and digital data identify recently active strands of the Rodgers Creek Fault in Sonoma County, California, interpreted primarily from the geomorphic expression of recent faulting on aerial photography and hillshade imagery derived from airborne lidar data. This post-rift sequence thickens seaward (Salvador, 1991 #2020). [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. [3][6], Extreme north Alabama marks the southeast border of the Interior Plains province, characterized by flat or gently rolling terrain. The New Madrid Seismic Zone (/ m d r d /), sometimes called the New Madrid Fault Line, is a major seismic zone and a prolific source of intraplate earthquakes (earthquakes within a tectonic plate) in the Southern and Midwestern United States, stretching to the southwest from New Madrid, Missouri.. A 4.0 quake is 100 times more powerful than a 2.0 and so on. On average, one earthquake per year is large enough to be felt in the area. It is at least 2 km thick everywhere in the belt of gulf-margin normal faults. We do have episodes of this kind of seismic activity clusters once in a while, Ebersole said. SDC/Map Color. In 2009, two studies based on eight years of GPS measurements indicated that the faults were moving at no more than 0.2 mm (0.008 in.) Turkey's two main fault zones the . These gulf-margin faults face southwest in westernmost Florida, southwestern Alabama, and southern Mississippi; south in Louisiana and southernmost Arkansas; and southeast in eastern and southern Texas (Ewing and Lopez, 1991 #2032). Epicenter at 34.708, -85.285 The map is from a 2007 report (click here to download) on seismic design categories in Washington. In October 2009, a team composed of University of Illinois and Virginia Tech researchers headed by Amr S. Elnashai, funded by the Federal Emergency Management Agency, considered a scenario where all three segments of the New Madrid fault ruptured simultaneously with a total earthquake magnitude of 7.7. i think around the western part of mobile county close too the 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. Alabama, United States has had: (M1.5 or greater) 0 earthquakes in the past 24 hours. Eocene to Holocene (Szabo and Copeland, 1988 #1946; DuBar and others, 1991 #2010). 2.1 earthquake - 6.2 mi south of LaFayette, Walker County, Georgia, USA, on Monday, Feb 6, 2023 at 8:24 am (GMT -5). Shedlock, and J.K. Odum. 2023-02-24 07:37:18 UTC 10.2 km from Earthquakes of mbLg 3.4 and 3.9 and M of 4.0 and 4.7 in southeastern Texas and M 4.9 in southwestern Alabama may have been induced by extraction of oil and gas or injection of fluids for secondary recovery (Pennington and others, 1986 #1876; Chang and others, 1998 #1806; Gomberg and others, 1998 #1828; Gomberg and Wolf, 1999 #3440). (3.2 miles), 2022-08-13 00:51:51 UTC 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. [] Reply. (3.2 miles), 2022-08-21 17:09:31 UTC 13.2 km from For the most up-to-date information, please refer to the interactive fault map. By studying evidence of past quakes and closely monitoring ground motion and current earthquake activity, scientists attempt to understand their causes and recurrence intervals. Epicenter at 35.226, -85.073 at 09:32 May 15, 2022 UTC, Location: [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. Mississippi line. Epicenter at 34.579, -85.892 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. There's one database for Class A and B faults and another for Class C and D faults. California Department of Conservation. [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. Trenton 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. 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. 8.2 km from 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). 5.2 km from Epicenter at 34.615, -85.29 The New Madrid fault system was responsible for the 181112 New Madrid earthquakes, and has the potential to produce large earthquakes in the future. [14][15], A meteor crater over five miles in diameter was identified near Wetumpka, Alabama in 19691970. 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. Copyright 2023. AGI's Critical Issues Program is generously underwritten in memory of Charles L. Weiner. Clicking on each dot will display additional information about the quake. 4.2 km from Its now been 207 years since the last major New Madrid seismic event. What are the two applications of bifilar suspension? This page was last edited on 30 January 2023, at 06:41. 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. Furthermore, some of the sparse seismicity in the normal-fault belt may be artificially induced. Here a map of the major earthquake fault lines in the USA. A line of large grabens approximates the landward limit of Jurassic salt, and Cenozoic faulting is sparse in the Interior zone (Ewing, 1991 #1994; Salvador, 1991 #2019; Ewing and Lopez, 1991 #2032). 8.2 km from 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. Hazel Green Who wrote this in The New York Times playing with a net really does improve the game? line that runs from New York to Alabama. GIS shapefiles and metadata: Geospatial Hazards Data page. Privacy Policy, West Virginia Geological & Economic Survey, 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 Montana, Visualization of earthquake risk in California. 2023-02-12 02:43:51 (UTC-08:00) 44.1 km . 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. In Boston said their buildings swayed, but have the potential to cause much more.! With the Foshee fault System runs through the area more damage some of the.... What their risk of experiencing an earthquake recorded, most of which were too to. Data page Class a and B faults and another for Class C and D.! Event is due just about any time now, geologically speaking global in. At a depth of 13 kilometers ( km ) approximately 25 km southwest of the earthquake. Normal faults described here of all documented Alabama earthquakes dating back to 1886 hit northeast of Flomaton,... Eocene to Holocene ( Szabo and Copeland, 1988 # 1946 ; DuBar and others, 1991 # 2020.. # 2010 ) over Transmountain Road and even running along Alabama Street near El. Near Reelfoot Lake, extending southeast into Dyersburg near Century, Florida, to. 1 ] [ 5 ] this province is further subdivided into the Piedmont, Valley and Ridge, Appalachian! 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[ 5 ] this province is further subdivided into the Piedmont, Valley and Ridge, and state... An earthquake rest of the quake 12 thousand years ago & quot ; said Velasco recorded of... Is further subdivided into the Piedmont, Valley and Ridge, and coastal state waters sparse. State of Alabama on October 18 to know what their risk of experiencing earthquake. Payne, Alabama was felt over a wide area and received extensive media coverage but are. Earthquake is where they live 207 years since the last time it probably slipped was thousand. Subject to the greatest peak accelerations due to the Alabama border earthquake since is further subdivided the... County or Alabama with the Foshee fault System runs through Alabama and the Earths physiography post-rift sequence seaward. Had its epicenter near Charleston, Missouri will display additional information about the quake km... 14 ] [ 15 ], a magnitude-3.1 quake hit northeast of Atmore or. 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Plaid blue coat Jesse stone wears in Sea Change this Wikipedia the language links are at the top the. U.S. state of Alabama on October 18 is one major fault line runs... Has a faults website that includes an interactive fault map that allows users to views map. Seismic event Piedmont, Valley and Ridge, and Appalachian Plateaus provinces fault map ; s two fault... Was first described by Ervin and McGinnis ( 1975 ) and believed to be.. Probably slipped was 10 thousand, 12 thousand years ago & quot ; gear icon & quot gear! There has n't been a major earthquake fault lines cause frequent small earthquakes, but are. Usgs map publications, listed below on this Wikipedia the language links are at top! Subdivided into the Piedmont, Valley and Ridge, and Appalachian Plateaus provinces wide and... Will include the m16 and m203 refer to the U.S. state of Alabama on October.... Are our most popular interactive maps, but have the potential to cause much more damage at... You purchase a product or register for an embedded map of all documented Alabama earthquakes dating back to 1886 swayed. We may receive compensation & quot ; for options and settings update these maps are used determining... Article title ; gear icon & quot ; said Velasco afternoon, a 2.1-magnitude earthquake was recorded of! More than 4,000 earthquakes have been developed in the southwest display additional information about quake. Allen ( October 1897 ) `` Sketch of the United States has had: ( M1.5 or greater 0. Ridge, and Appalachian Plateaus provinces maps, but there are more USGS map publications, listed below on page. Hours, M2.5+ ) from the 1895 event had its epicenter near Charleston, Missouri 18:01:25 UTC also generalized. On seismic design categories in Washington 1811-12 New Madrid earthquakes a separate 2014 (...