On the reverse fault, the rocks on the southwest side move up relative to the rocks on the northeast side. Information on the largest earthquake planning project in U.S. History. – US Geological Survey – Earthquake Hazard in the Heart of the Homeland Damage was reported as far away as Charleston, South Carolina, and Washington, D.C.
If (the earthquake) happened during the winter, you're going to have major-league problems on your hands.
These dramatic accounts clearly show that destructive earthquakes do not happen only in the western United States. Phone: (901) 544-3570 | Fax: (901) 544-0544 | Email: [email protected] Memphis, TN 38118 We may hear more about it, or others like it. The crew of the New Orleans (the first steamboat on the Mississippi, which was on her maiden voyage) reported mooring to an island only to awake in the morning and find that the island had disappeared below the waters of the Mississippi River.
The third fault or Reelfoot fault, is a southeast-northwest trending reverse fault, which is located between the two strike-slip faults. Survivors reported that the earthquakes caused cracks to open in the earth’s surface, the ground to roll in vi… A map of earthquakes epicenters, however, reflects faulting at depth and shows that the earthquakes define several branches of the New Madrid seismic zone in northeastern Arkansas, southwestern Kentucky, southeastern Missouri, and northwestern Tennessee. Many structures in Memphis, Tenn., St. Louis, Mo., and other communities in the central Mississippi River Valley region are vulnerable and at risk from severe ground shaking. NW New Madrid West (Not shown here, see below)
The January 23, 1812 quake may have originated from the strike slip fault in the New Madrid north zone. Like other rift zones, the Reelfoot Rift is a sunken linear valley bounded by normal faults. --insurancenewsnet.com, The main production areas and pipeline routes for natural gas (American Gas Association).
Red circles indicate earthquakes that occurred from 1974 to 2002 with magnitudes larger than 2.5 (University of Memphis). 1, G. Lennis Berlin, 1980. Earthquakes in the central or eastern United States effect much larger areas than earthquakes of similar magnitude in the western United States. Red circles indicate earthquakes that occurred from 1974 to 2002 with magnitudes larger than 2.5 (University of Memphis). -- Ed Gray, Missouri State Emergency Management Agency (SEMA)
New Madrid Seismic Zone Maps Map of the New Madrid and Wabash Valley seismic zones. Moreover, most earthquake preparations also have lagged far behind.
The New Madrid Seismic Zone, sometimes called the New Madrid Fault Line, is a major active seismic zone in the southern and midwestern United States.
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Has been dormant. A partnership to mitigate disasters and save lives... 400 terrified residents in the town of New Madrid, Missouri were abruptly awakened by violent shaking and a tremendous roar. Earthquakes of moderate magnitude occur much more frequently than powerful earthquakes of magnitude 7 to 8, and the probability of a moderate earthquake occurring in the New Madrid Seismic Zone in the near future is high. This assessment is based on decades of research on New Madrid earthquakes and related phenomena by d… Comprehensive Mid-America Earthquake Center Report on earthquake scenarios in the central U.S. – Center for Earthquake Research & Information – New Madrid Compendium Pictured is in Charleston. When viewing the maps, it is important to remember that areas with high earthquake hazards do not necessarily face high seismic risks.
For example, the San Francisco, California, earthquake of 1906 (M7.8) was felt 350 miles away in the middle of Nevada, whereas the New Madrid earthquakes of 1811-12 were felt as far away as Connecticut – more than 1,000 miles away.
400 terrified residents in the town of New Madrid, Missouri were abruptly awakened by violent shaking and a tremendous roar. Today, the region is home to millions of people, including those in the cities of St. Louis, Missouri, and Memphis, Tennessee.
The main shock on December 16, 1811 may have been associated with activity on the southernmost strike-slip fault or the Blytheville seismic zone. Per month..........................................Approximately 80,000, Per day.........................................Approximately 2,600, Per minute..................................Approximately 2, Map pages 1 | 2 | 3 | 4 | 5 | 6 | 7 | aerials | sitemap.
Green circles denote earthquakes that occurred prior to 1974. Survivors reported that the earthquakes caused cracks to open in the earth’s surface, the ground to roll in visible waves, and large areas of land to sink or rise.
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