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<p class="MsoPlainText"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">Dear Readership:<o:p></o:p></span></p>
<p class="MsoPlainText"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p> </o:p></span></p>
<p class="MsoPlainText"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">I would like to bring to your attention some recent publications that are relevant to earthquake hazards in the central United States. If you have any questions, please
feel free to email me</span> (rvanrsdl@memphis.edu).<o:p></o:p></p>
<p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p> </o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">The following paper discusses the geology underlying Memphis and its geotechnical aspects. It also summarizes the city’s natural hazards.<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">Van Arsdale, R.B., Arellano, D., Stevens, K.C., Hill, A.A., Lester, J.D., Parks, A.G., Csontos, R.M., Rapino, M.A., Deen, T.S., Woolery, E.W., Harris, J.B., 2012, Geology,
Geotechnical Engineering, and Natural Hazards of Memphis, Tennessee, USA. <cite>
Environmental & Engineering Geoscience</cite></span><span class="cit-sep"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">,</span></span><cite><span style="font-size:12.0pt">
</span></cite><span class="cit-sep"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">v.
</span></span><span class="cit-vol"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">18</span></span><span class="cit-sep"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">, p.
</span></span><span class="cit-first-page"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">113</span></span><span class="cit-sep"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">-</span></span><span class="cit-last-page"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">158</span></span><span class="cit-sep"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">,
doi:</span></span><span class="cit-doi"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">10.2113/gseegeosci.18.2.113</span></span><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">The following paper presents the fundamental nature of the basement rocks east of the Rockies and their possible impact on active tectonics in the eastern United States.<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">Bartholomew, M.J., and Van Arsdale, R.B., 2012, Structural controls on intraplate earthquakes in the eastern United States,<i> in</i> Cox, R.T., Tuttle, M.P., Boyd, O.S.,
and Locat, J., eds., Recent Advances in North American Paleoseismology and Neotectonics East of the Rockies: Geological Society of America Special Paper 493, p. 165-190, doi:10.1130/2012.2493(08).<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">The following paper discusses a fault zone exposed in a trench in western Shelby County and the earthquake history it reveals.<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">Cox, R.T., Van Arsdale, R., Clark, D., Hill, A., and Lumsden, D., 2013, A revised paleo-earthquake chronology on the southeast Reelfoot rift margin near Memphis, Tennessee.
Seismological Research Letters, v. 84, p. 402-408.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">The following paper presents subsurface evidence for young faulting along the western margin of the Reelfoot rift from near New Madrid, MO to Cairo, IL.<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">Pryne, D., Van Arsdale, R., Csontos, R., and Woolery, E., 2013, Northeastern Extension of the New Madrid North Fault-New Madrid Seismic Zone, Central United States. Bulletin
of the Seismological Society of America, v. 103, p. 2277-2294.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">The following paper presents a new model for active faulting in the Eastern Lowlands of the Mississippi River valley that reveals different types of faulting in simple
shear.<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:black">Van Arsdale, R., and Cupples, W.,</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif""> 2013, Late Pliocene and Quaternary deformation
of the Reelfoot rift. Geosphere, <span style="color:black">v. 9, n. 6, p.</span><span style="color:white">p</span>1819–1831.
<span style="color:black">doi:10.1130/GES00906.1<o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">The following paper discusses subsurface evidence for extending the Reelfoot fault 14.5 km northwest of New Madrid, MO.<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:black">Van Arsdale, R., Pryne, D., and Woolery, E., 2013, Northwestern extension of the Reelfoot North fault near New Madrid, Missouri. Seismological Research Letters,
v. 84, n. 6, p. 1114-1123.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">The following paper is a summary of the literature on the New Madrid seismic zone.<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">Van Arsdale, R., 2014, The New Madrid seismic zone of the Central United States. In Intraplate Earthquakes, P. Talwani (Ed), Cambridge University Press, p. 162-197.<o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p> </o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">The following paper presents new maps on the expected ground motions in Shelby County from a large New Madrid seismic zone earthquake.<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">Cramer, C.H., Van Arsdale, R.B., Dhar, M.S., Pryne, D., and Paul, J., 2014, Update of Urban Seismic Hazard Maps for Memphis and Shelby County, Tennessee: Geology and Vs
Observations. Seismological Research Letters, v. 85, p. 986-996.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">Based on Al-Be cosmogenic dating the following abstract documents that the Upland Complex (high level Pliocene terrace of the Mississippi River) is ~3.1 million years
old.<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:black">Van Arsdale, R.B., Balco, G., Bierman, P.R., Rood, D.H., Rovey, C., Cox, R.T., Lumsden, D.N., and Parks, A., 2014, The Pliocene Mississippi River. Geological
Society of America, v. 46, n. 6, p. 228.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><o:p> </o:p></span></p>
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