(2.2 miles), 2021-09-11 12:08:51 UTC Official websites use .gov 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). People in Boston said their buildings swayed. Extensive oil and gas deposits have been developed in the southern portion of the state, Mobile Bay, and coastal state waters. 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). A strike-slip fault is when two blocks slip past one another, like the San Andreas Fault line. SDC/Map Color. [10], Two fault zones are found in Alabama, the Southern Appalachian Seismic Zone (also known as the Eastern Tennessee Seismic Zone) in northeast and central Alabama, and the Bahamas Fracture Seismic Zone in southwest Alabama. 2 earthquakes in the past 30 days. Dalton This page was last edited on 30 January 2023, at 06:41. The epicenter of the quake was located at 18.44N., 72.57W. 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). 14.2 km from 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? 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. interpreted the lack of similar signals elsewhere in the chronology as evidence against large New Madrid earthquakes between those years and 1811. Map showing recorded earthquakes in Alabama and the seismic zones that cause them. This fault line is called the Quaternary fault. (7.2 miles), 2021-12-22 06:20:48 UTC (1) The Interior zone of Ewing (1991 #1994) includes the entire belt except southern Louisiana, coastal Texas, and their offshore extensions. 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). what type of danger zone is needed for this exercise. American Geologist. 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. [14][15], A meteor crater over five miles in diameter was identified near Wetumpka, Alabama in 19691970. found on websites such as Google Image, Bing Image and Flickr. [16], Hundreds of aftershocks of the 18111812 series followed over a period of several years. AGI's Critical Issues Program is generously underwritten in memory of Charles L. Weiner. Ground shaking is the most powerful predictor of damage from an earthquake. Android | iOS version Why is there advertising on this site? [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. 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. There hasn't been a major earthquake since 1916. Stevenson States. The earthquake that occurred Wednesday didn't happen near a fault line in Tennessee, for the most part, the state is free of any faults that would suggest a vulnerability to earthquakes. View Earthquake Map Faults Interactive fault map and comprehensive geologically based information on known or suspected active faults and folds in the United States. 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. All rights reserved (About Us). [9] Also, generalized fault data used in the hazard maps. 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). The most recent quake registered as a magnitude 4.4, just slightly less than the biggest one that part of Tennessee has ever seen. These maps are used in determining building seismic codes, insurance rates, and other Did You Feel It? Only List Earthquakes Shown on Map . 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. It is at least 2 km thick everywhere in the belt of gulf-margin normal faults. This almighty quake caused extensive damage to the transportation systems in central Alaska. On this Wikipedia the language links are at the top of the page across from the article title. at 12:08 September 11, 2021 UTC, Location: 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. at 20:22 October 13, 2021 UTC, Location: A lock () or https:// means youve safely connected to the .gov website. Tennessee, Arkansas, and Missouri would be most severely impacted, and the cities of Memphis, Tennessee, and St. Louis, Missouri, would be severely damaged. Join half a million readers enjoying Newsweek's free newsletters. Here a map of the major earthquake fault lines in the USA. Direct economic losses, according to the report, would be at least $300 billion. 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. (8.2 miles), 2022-12-04 06:42:50 UTC at 10:16 August 13, 2022 UTC, Location: Lakesite Click here to access the interactive earthquake map of Alabama. Secure .gov websites use HTTPS Earthquake Hazard. (11.2 miles), 2021-12-11 18:34:41 UTC (6.2 miles). Rapid deposition and the resulting enormous thickness of the post-rift sediments caused them to collapse and spread seaward. 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. Accordingly, the fault belt is assigned to class B. 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. Share sensitive information only on official, secure websites. 4.2. . 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). 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). Booneville Epicenter at 32.874, -86.672 4.2 km from These maps are used in determining building seismic codes, insurance rates, and other public decisions. Its now been 207 years since the last major New Madrid seismic event. Strong shakingDamage negligible in buildings of good design and construction; slight to moderate in well-built ordinary structures; considerable damage in poorly built structures. occasions. Multiple landslides and rock avalanches occurred in the Alaska Range and Black Rapids Glacier. [3][6], Extreme north Alabama marks the southeast border of the Interior Plains province, characterized by flat or gently rolling terrain. (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? C/Yellow. [9] Since 1886, slightly more than 10 percent of earthquakes with an epicenter in Alabama have been an estimated magnitude 3 or greater. Epicenter at 35.296, -85.484 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. If you live in a high-risk area or near a fault line in the Philippines, go beyond doing the duck, cover, and hold. (3.2 miles), 2022-08-21 17:09:31 UTC Interactive Earthquake Map of AL Earthquakes are not uncommon in Alabama. Epicenter at 34.708, -85.285 AGI's Critical Issues Program is generously underwritten in memory of Charles L. Weiner. Clanton Conclusive evidence of the origin of the Wetumpka Impact Crater was found by Auburn University geology professor David T. King in 1998.[16]. The 1916 Irondale earthquake struck in the north-central region of the U.S. state of Alabama on October 18. There's also a frequently asked questions section of the USGS site solely for fault and earthquake information. Shedlock, and J.K. Odum. 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. Epicenter at 34.66, -86.399 Newest First. California Department of Conservation. [7] [8] The largest earthquake in recorded Alabama history measured an estimated magnitude of 5.1 and occurred October 18, 1916 near Irondale, and resulted in widespread panic, damage to structures, and dramatic changes in water well levels. It is southwest of the Wabash Valley Seismic Zone. [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]. at 06:19 March 30, 2022 UTC, Location: 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). Epicenter at 34.758, -85.368 4.2 km from Epicenter at 33.201, -86.11 [1][5] This province is further divided into the Interior Low Plateaus province. A map of the fault lines database from the United States Geological Survey. (3.2 miles), 2022-12-04 10:57:58 UTC at 06:44 November 22, 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. "[27] Despite the lack of scientific support, Browning's prediction was widely reported in international media, causing public alarm. 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. In Alabama, this province generally lies north of the Tennessee River. rest of the gulf coast. The 2003 Bingl earthquake at magnitude of 6.4 followed before the 2010 (6.1) and 2020 (6.7) quakes which both happened in Elaz. See here for older maps for Alaska, Hawaii, and U.S. territories. Users can also search the database on faults to learn more about a specific fault. The USGS and its partners monitor and report earthquakes, assess earthquake impacts and hazards, and perform research into the causes and effects of earthquakes. 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. [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. A normal fault is a type of dip-slip fault where one block moves down, a thrust fault is when the block moves up and over the one below it. Faults with evidence of Holocene (about 10,000 . at 06:19 August 25, 2021 UTC, Location: at 06:19 February 01, 2021 UTC, Location: 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. ]: Seismological Research Letters, v. 69, p. 175-176. Dalton Sort. Epicenter at 35.169, -85.104 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. 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