<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; ">Charles-<DIV><BR class="khtml-block-placeholder"></DIV><DIV>I'm a little confused about how this would work with Carl's mesh, which has very little structure with depth - maybe only 2-3 boundaries.  Since so most of the elements would straddle the layer boundaries in a 20-layer model, wouldn't that be a problem?</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>Wouldn't a 20-layer model require a new mesh?</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>If all you really want is a simpler way of interpolating, maybe the model could be simplified to about 5 regions with linear variation of properties with depth within each region?</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>Comments?</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>Brad</DIV><DIV><BR><DIV><DIV>On Jul 13, 2006, at 12:18 PM, Charles Williams wrote:</DIV><BR class="Apple-interchange-newline"><BLOCKQUOTE type="cite">I think I would go along with simplifying the model into a reasonable number of layers (probably &lt; 20).  For now, this would make things easier.<DIV><BR class="khtml-block-placeholder"></DIV><DIV>Charles</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV><BR><DIV><DIV>On Jul 13, 2006, at 12:03 PM, Brad Aagaard wrote:</DIV><BR class="Apple-interchange-newline"><BLOCKQUOTE type="cite"><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Hi all:</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Brad Hager has provided a material model for the Landers/Hector Mine<SPAN class="Apple-converted-space"> </SPAN></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">benchmark (see end of email and attachment). The material model is<SPAN class="Apple-converted-space"> </SPAN></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">basically a piecewise linear variation in material properties with<SPAN class="Apple-converted-space"> </SPAN></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">depth with a resolution of 500 m - 1000 m. How difficult will it be<SPAN class="Apple-converted-space"> </SPAN></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">for GeoFEST and PyLith to use this material model? Would it be more<SPAN class="Apple-converted-space"> </SPAN></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">appropriate (i.e., a reasonable compromise) to simplify the material<SPAN class="Apple-converted-space"> </SPAN></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">model into something like 10-12 layers so that it could be<SPAN class="Apple-converted-space"> </SPAN></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">implemented more easily?</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Brad</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">On Monday 10 July 2006 12:17 pm, Bradford H. Hager wrote:</DIV> <BLOCKQUOTE type="cite"><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Below in ascii and .pdf (with plot) is</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">the SCEC CVM 4.0 Vp, Vs, rho structure at (34.5 N, 116.4 W), a</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">point about midway between Landers and Hector Mine.<SPAN class="Apple-converted-space">  </SPAN>It is given at</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">1,000 m depth intervals at half km postings, with extra sampling at</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">the surface and at the Moho (30 km).<SPAN class="Apple-converted-space">  </SPAN>Below 49.5 km, set the</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">velocity constant at the value at 49.5 km.</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Since we will be heading towards incorporating the CVM, I think</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">that interrogating the CVM is a better way to go than setting</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">values for a few layers.</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Values of the Lame' parameters lambda and mu can be obtained from</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Vs = sqrt(mu/rho)</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Vp = sqrt[(lambda + 2 mu)/rho]</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">*******************</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Lat<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>Long<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>depth<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>Vp<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>Vs<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>rho</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>0<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>5166.7<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2869.2<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2680.8</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>5216.7<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2896.6<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2688.7</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>1500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>5316.6<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2951.3<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2704.5</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>5516.2<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3060.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2736</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>5715.8<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3169.7<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2767.5</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>4500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>5915.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3278.9<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2799</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>5500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>6103<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3440.1<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2828.7</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>6500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>6213.1<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3590.1<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2846</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>7500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>6257.6<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3676.8<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2853.1</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>8500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>6302.1<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3763.6<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2860.1</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>9500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>6346.6<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3850.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2867.1</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>10500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>6371.2<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3845.9<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2871</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>11500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>6375.7<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3750.3<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2871.7</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>12500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>6380.3<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3654.6<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2872.4</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>13500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>6384.8<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3559<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2873.2</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>14500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>6389.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3463.3<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2873.9</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>15500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>6394<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3367.7<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2874.6</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>16500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>6369.6<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3446.9<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2870.8</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>17500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>6428.7<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3527.2<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2880.1</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>18500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>6487.7<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3607.6<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2889.4</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>19500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>6546.8<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3687.9<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2898.7</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>20500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>6605.9<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3768.3<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2908.1</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>21500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>6664.9<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3848.7<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2917.4</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>22500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>6700.3<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3890.9<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2923</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>23500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>6712<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3895.1<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2924.8</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>24500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>6723.6<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3899.3<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2926.7</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>25500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>6735.3<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3903.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2928.5</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>26500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>6747<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3907.7<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2930.3</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>27500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>6758.6<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3911.9<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2932.2</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>28500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>6770.3<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3916.1<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2934</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>29500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>6782<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3920.3<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2935.9</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>29999<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>6787.9<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3922.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>2936.9</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>30001<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>7715.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>4507.7<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3083.3</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>30500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>7716<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>4508.3<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3083.4</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>31500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>7717.2<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>4509.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3083.6</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>32500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>7718.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>4510.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3083.7</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>33500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>7719.7<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>4511.6<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3083.9</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>34500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>7720.9<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>4512.7<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3084.1</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>35500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>7722.2<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>4513.8<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3084.3</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>36500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>7723.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>4514.9<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3084.5</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>37500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>7724.6<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>4516.1<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3084.7</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>38500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>7725.9<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>4517.2<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3084.9</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>39500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>7727.1<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>4518.3<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3085.1</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>40500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>7728.6<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>4519.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3085.3</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>41500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>7730.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>4520.9<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3085.6</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>42500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>7732.2<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>4522.2<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3085.9</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>43500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>7734<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>4523.6<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3086.2</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>44500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>7735.8<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>4524.9<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3086.5</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>45500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>7737.6<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>4526.2<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3086.8</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>46500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>7739.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>4527.6<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3087.1</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>47500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>7741.2<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>4528.9<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3087.3</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>48500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>7743<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>4530.3<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3087.6</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">34.5<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>-116.4<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>49500<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>7744.8<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>4531.6<SPAN class="Apple-tab-span" style="white-space:pre">        </SPAN>3087.9<SPAN><DIV>&lt;Landers_structure.pdf&gt;</DIV></SPAN></DIV></BLOCKQUOTE><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">_______________________________________________</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">CIG-SHORT mailing list</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><A href="mailto:CIG-SHORT@geodynamics.org">CIG-SHORT@geodynamics.org</A></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><A href="http://geodynamics.org/cgi-bin/mailman/listinfo/cig-short">http://geodynamics.org/cgi-bin/mailman/listinfo/cig-short</A></DIV> </BLOCKQUOTE></DIV><BR><DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">Charles A. Williams</FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">Dept. of Earth &amp; Environmental Sciences</FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">Science Center, 2C01B</FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">Rensselaer Polytechnic Institute</FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">Troy, NY<SPAN class="Apple-converted-space">  </SPAN>12180</FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">Phone:<SPAN class="Apple-converted-space"><SPAN class="Apple-converted-tab">    </SPAN></SPAN>(518) 276-3369</FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">FAX:<SPAN class="Apple-converted-space"><SPAN class="Apple-converted-tab">        </SPAN></SPAN>(518) 276-2012</FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">e-mail:<SPAN class="Apple-converted-space"><SPAN class="Apple-converted-tab">    </SPAN></SPAN><A href="mailto:willic3@rpi.edu">willic3@rpi.edu</A></FONT></DIV> <BR class="Apple-interchange-newline"> </DIV><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">_______________________________________________</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">CIG-SHORT mailing list</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><A href="mailto:CIG-SHORT@geodynamics.org">CIG-SHORT@geodynamics.org</A></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><A href="http://geodynamics.org/cgi-bin/mailman/listinfo/cig-short">http://geodynamics.org/cgi-bin/mailman/listinfo/cig-short</A></DIV> </BLOCKQUOTE></DIV><BR></DIV></BODY></HTML>