https://www.earthmagazine.org/tags/new-madrid-seismic-zone/ Recent content in New Madrid Seismic Zone on EARTH Magazine Hugo en-US American Geosciences Institute. All rights reserved. Thu, 05 Jan 2012 06:41:58 -0500 https://www.earthmagazine.org/article/benchmarks-december-16-1811-february-7-1812-new-madrid-earthquakes-strike-heartland/ Thu, 05 Jan 2012 06:41:58 -0500 https://www.earthmagazine.org/article/benchmarks-december-16-1811-february-7-1812-new-madrid-earthquakes-strike-heartland/ <figure class="earth-figure"> <img src="https://www.americangeosciences.org/static/earth/benchmarks-december-16-1811-february-7-1812-new-madrid-earthquakes-strike-heartland/i-4ff-7db-c-11.jpg" alt="Central U.S. Earthquake Consortium (CUSEC) Executive Director Jim Wilkinson moderates a panel discussion during the 18th annual &#39;Earthquakes Mean Business&#39; seminar on Feb. 11, 2011. Alisa Nave, CUSEC" loading="eager" decoding="async"> <figcaption>Central U.S. Earthquake Consortium (CUSEC) Executive Director Jim Wilkinson moderates a panel discussion during the 18th annual &#39;Earthquakes Mean Business&#39; seminar on Feb. 11, 2011. Alisa Nave, CUSEC</figcaption> </figure> <figure class="earth-figure"> <img src="https://www.americangeosciences.org/static/earth/benchmarks-december-16-1811-february-7-1812-new-madrid-earthquakes-strike-heartland/i-501-7db-c-11.jpg" alt="Fissures that formed during the 1811-1812 New Madrid earthquakes can be seen in this 1904 picture from Mississippi County, Mo. Fuller, M.L., U.S. Geological Survey Photographic Library" loading="lazy" decoding="async"> <figcaption>Fissures that formed during the 1811-1812 New Madrid earthquakes can be seen in this 1904 picture from Mississippi County, Mo. Fuller, M.L., U.S. Geological Survey Photographic Library</figcaption> </figure> <figure class="earth-figure"> <img src="https://www.americangeosciences.org/static/earth/benchmarks-december-16-1811-february-7-1812-new-madrid-earthquakes-strike-heartland/i-502-7db-c-11.jpg" alt="Seismic risk across the United States as estimated by the U.S. Geological Survey in 2008. Colors show the levels of estimated horizontal shaking. U.S. Geological Survey" loading="lazy" decoding="async"> <figcaption>Seismic risk across the United States as estimated by the U.S. Geological Survey in 2008. Colors show the levels of estimated horizontal shaking. U.S. Geological Survey</figcaption> </figure> <figure class="earth-figure"> <img src="https://www.americangeosciences.org/static/earth/benchmarks-december-16-1811-february-7-1812-new-madrid-earthquakes-strike-heartland/i-500-7db-c-11.jpg" alt="Students demonstrate how to protect themselves during an earthquake in this &#39;Drop, Cover and Hold On&#39; drill. Alisa Nave, CUSEC" loading="lazy" decoding="async"> <figcaption>Students demonstrate how to protect themselves during an earthquake in this &#39;Drop, Cover and Hold On&#39; drill. Alisa Nave, CUSEC</figcaption> </figure> <p>This winter marks the <a href="http://newmadrid2011.org/index.php?option=com_content&amp;view=article&amp;id=116:new-madrid-quakes-bicentennial-puts-focus-on-future-calamity&amp;catid=11&amp;Itemid=25">bicentennial of a series of powerful intraplate earthquakes</a> that occurred in the central United States over a two-month period beginning on Dec. 16, 1811. Named for New Madrid, one of the settlements on the Mississippi River, these tremors were among the largest historic earthquakes to occur east of the Rocky Mountains.</p>