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<p class=MsoNormal><span style='font-size:10.0pt'>Heather Deshon, Jer-Ming Chiu,
Leonardo Ramirez-Guzman and Oliver Boyd would like to make you aware of and
encourage you to submit abstracts for the following session at the upcoming
Fall AGU meeting in San Francisco, Dec 15<sup>th</sup> to 19<sup>th</sup>,
2008. Abstracts are due Sept 10<sup>th</sup>, 2008.<o:p></o:p></span></p>
<p class=MsoNormal><b><span style='font-size:10.0pt'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:10.0pt'>S20 Crust and upper mantle
structural models beneath the central and eastern US<span style='color:#FF6600'>
</span></span></b><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Times","serif"'>The
1811-1812 New Madrid series of earthquakes occurred in a relatively unpopulated
region of the central United States between Memphis and St. Louis and were felt
over most of the central and eastern United States and some parts of Canada, a felt
area nearly 20 times larger than the area impacted by the similarly sized 1906
San Francisco earthquake. A better understanding of the temporal and spatial
distribution of shaking and damage from St. Louis to Memphis that accompanied
the great 1811-1812 earthquakes and other<span style='color:#FF9900'> </span>historic
events, will reduce uncertainty about potential damage from similar<span
style='color:#FF9900'> </span>earthquakes as well as provide the public with a provocative
view of the potential impact of a recurrence of these events. In order to
perform realistic computer simulations of such earthquakes<span
style='color:#FF9900'> </span>and assess seismic hazard, updated comprehensive and
detailed structural models are needed for the region. This session seeks contributions
that constrain the lithologic, tectonic, geophysical and geotechnical structure
of the Central United States lithosphere. Contributions that address solutions
to complications arising from attempts to image within and beneath thick
sedimentary basins are particularly encouraged.</span><o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
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