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Originally posted by SusanFrey
reply to post by Tecumte
Something just rattled us pretty good. Lasted about 30 to 35 seconds. Anyone else felt anything tonight? This is like the 3rd time we rattled in the past little bit.
Field Trip: Taking a New Look at the New Madrid Seismic Zone
Leaders: Heather R DeShon, CERI - University of Memphis,
Martitia P Tuttle, M.P. Tuttle and Associates,
Roy B. Van Arsdale, University of Memphis
During the winter of 1811-1812, the region of southeastern Missouri, northeastern Arkansas, and northwestern Tennessee was the locale of at least three large earthquakes associated with the New Madrid Seismic Zone. Although no major earthquake has occurred in the region since 1895, it remains the most seismically active area east of the Rocky Mountains and poses a serious threat to the metropolitan and agricultural areas of the central United States and to the numerous lifelines that pass through the region. On this field trip we will visit several sites exhibiting effects of the 1811-1812 and previous earthquake sequences and discuss recent seismological, geological, geophysical, and engineering related scientific results. Field trip stops will include trenched sand blows and buried forest resulting from earthquake-induced liquefaction, a trenched fault, Reelfoot Lake, Reelfoot scarp, a continuous GPS monitoring station, and a creek exposure of near-surface stratigraphic units. The New Madrid Seismic Zone is one of the most studied and debated intraplate earthquake sources worldwide. Significant time has been allotted for participants to examine geologic features and to discuss recent findings with investigators.