True Aki,<div>Coupled with demographics and other factors.</div><div><span class="Apple-style-span" style="font-family: verdana, sans-serif, geneva, arial; font-size: 13px; -webkit-border-horizontal-spacing: 3px; -webkit-border-vertical-spacing: 3px; "><p>
- &quot;Shallow source factor&quot; -&gt;less warning time to get out of buildings compared to deep quakes.</p><p>- The Terra firma -&gt; <span id="IL_AD4" class="IL_AD" style="border-bottom-width: 1px !important; border-bottom-style: dotted !important; border-bottom-color: rgb(153, 0, 51) !important; color: rgb(153, 0, 51) !important; background-image: none !important; background-attachment: scroll !important; background-origin: initial !important; background-clip: initial !important; background-color: transparent !important; cursor: pointer !important; position: static; display: inline !important; padding-bottom: 1px; font-family: verdana, sans-serif, geneva, arial !important; font-weight: normal !important; font-style: normal !important; font-size: 13px !important; background-position: 0% 50%; background-repeat: repeat repeat !important; ">Port au Prince</span> is built not on solid rock but on soil, which collapses when shaken.</p>
<p>This is put forth in the article below:</p></span></div><div><a href="http://blog.taragana.com/science/2010/01/20/why-haiti-quake-killed-so-many-people-3977/">http://blog.taragana.com/science/2010/01/20/why-haiti-quake-killed-so-many-people-3977/</a></div>
<div><br></div><div>BBC also did an article that covered basic comparison between similar incidences in L&#39; Aquila, Port au Prince &amp; Sichuan.</div><div>Find it below:</div><div><br></div><div><a href="http://news.bbc.co.uk/2/hi/americas/8510900.stm">http://news.bbc.co.uk/2/hi/americas/8510900.stm</a></div>
<div><br></div><div>Interestingly there&#39;s a similarly headlined blog post: &quot;Haiti and China: A Tale of Two Earthquakes&quot;. </div><div><a href="http://american-tigress.blog.sohu.com/143547212.html">http://american-tigress.blog.sohu.com/143547212.html</a></div>
<div><br></div><div>Tony.</div><div><br></div>