All information managed by the Geological Survey of 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.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.That area was sparsely populated then (the city of Memphis had not yet been founded), but similar quakes today would cause massive damage, potentially stretching into north Alabama. There were also reports in the quake area of windows broken, and frame buildings "badly shaken." The New Madrid fault in the central United States is particularly dangerous. T he Geological Survey of Alabama, established in 1848, provides service and information to Alabama and its citizens as a natural resource data gathering and research agency. An overnight earthquake hits the towns of Valley Head and Mentone, near the epicenter of the quake, damaging houses and school, though with no injuries reported.In 1916, a quake occurred in northern Shelby County that was estimated to be a magnitude 5.1 based on news reports from the time.According to the U.S. Geological Survey historical earthquake records a major earthquake (estimated magnitude 6-7) occurred Alabama has a number of fault lines running through it, even though it is not on the edge of a tectonic plate. Geologic Map of Jacksonville, Fault and Adjacent Areas Publication Info: Tuscalooda: Geological Survey of Alabama, 1893; Circular 117, Plate 1 Northeast Alabama is impacted by the East Tennessee Seismic Zone (also known as the South Appalachian Seismic Zone), ... but by smaller active fault lines that run through eastern California.
"Really for a New Madrid large-magnitude event, it would be multiple states impacted and would require some of that neighborly help, helping where we can and how we can. There is one major fault line that runs through Alabama and the rest of the gulf coast.
Some years we'll have five, some years we'll have 25. There hasn't been a major earthquake since 1916. "People feel like an earthquake in Alabama, while we've had several this year, I don't think they realize the potential for us to have something of a serious magnitude. Geologic Map of Jacksonville, Fault and Adjacent Areas Publication Info: Tuscalooda: Geological Survey of Alabama, 1893; Circular 117, Plate 1 Clicking on each dot will display additional information about the quake. "Usually by a magnitude 3.0 or higher people start noticing those. April 29, 2003 at 11:36 AM CDT - Updated June 20 at 1:40 PM A Gray Media Group, Inc. Station - © 2002-2020 Gray Television, Inc. A 3.0-magnitude quake releases 10 times more energy than a 2.0. There hasn't been a major earthquake since 1916. "Note to readers: if you purchase something through one of our affiliate links we may earn a commission.Registration on or use of this site constitutes acceptance of our © 2020 Advance Local Media LLC. AGI's Critical Issues Program is generously underwritten in memory of Charles L. Weiner It is the most active seismic area east of the Rockies in the United States and runs from St. Louis to Memphis. Geological Hazards geologist. KML (Google Earth-type) files and GIS shape files are also available for download from the site. "It's sometimes hard to get folks to focus, but we spend a lot of time leading up to this drill encouraging folks to take it seriously, educate themselves and know what to do if and when a significant earthquake occurs. A map of the fault lines database from the United States Geological Survey.
"Because the damage in other states would likely be more severe than in Alabama, the state would serve more of a logistical support role after a New Madrid event, Ebersole said. 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. Many other chimneys either were leveled to the roofs or were cracked so badly that they had to be rebuilt.
Many major earthquakes occur along the edges of two plates either collide or grind together, as convection forces within the Earth pull them in opposite directions.Alabama's earthquakes, however, are the result of intraplate faults, as instabilities bubble up in the interior of a single plate. For the most up-to-date information, please refer to the interactive fault map. "I think one of the issues we have in Alabama, we have so many disasters it's just hard for people to really stop and take it seriously, the way they need to," Richardson said. This fault line is called the Quaternary fault. "Sometimes this is a topic that's overlooked," Richardson said. There hasn't been a major earthquake since 1916.
American Geosciences Institute. 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. Some schools in the region closed as a precaution.Source: National Earthquake Information Center., Alabama Department of Archives and HistoryAfter a months-long fight against COVID-19, UAB Police Sergeant Parnell Guyton has died.This Friday and Saturday you have the opportunity to help students in Montgomery and Elmore counties before they head back to school.
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