<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/5187b88a-e13f-4aab-9fca-1b84b23611ee/4E6605A9-B9FB-41AD-9966-CB0359EF4CE7/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://ngm.nationalgeographic.com/2009/08/yellowstone/achenbach-text" href="http://ngm.nationalgeographic.com/2009/08/yellowstone/achenbach-text" style="font-size: 11px;">ngm.nationalgeographic.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://ngm.nationalgeographic.com/2009/08/yellowstone/achenbach-text"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/ngm.nationalgeographic.com/img/A2FF969E-BA66-426E-9302-248BC65515E2" alt="Yellowstone " /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://ngm.nationalgeographic.com/2009/08/yellowstone/achenbach-text"><H2 class="title">When Yellowstone Explodes</H2></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://ngm.nationalgeographic.com/2009/08/yellowstone/achenbach-text"><H3 class="title">Beneath Yellowstone Park a monstrous plume of hot rock is causing the earth to heave and tremble. Past volcanoes have erupted with a thousand times the power of Mount St. Helens. The future is anybody’s guess.</H3></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://ngm.nationalgeographic.com/2009/08/yellowstone/achenbach-text"><DIV class="navblock"><A href="http://ngm.nationalgeographic.com/2009/08/yellowstone/yellowstone-interactive"><IMG width="160" height="160" border="0" title="Yellowstone Illustration3" alt="Yellowstone Illustration3" src="http://s.ngm.com/2009/08/yellowstone/yellowstone-illustration3-160.jpg" /> <DIV class="pointercontainhed">When Yellowstone Explodes</DIV> <DIV class="pointercontainsub">Below Yellowstone, a hellish column of superheated rock rises from hundreds of miles within the Earth. </DIV></A></DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://ngm.nationalgeographic.com/2009/08/yellowstone/achenbach-text"><DIV class="navblock"><A href="http://ngm.nationalgeographic.com/2009/08/yellowstone/thiessen-photography"><IMG width="160" height="160" border="0" title="Yellowstone Gallery2" alt="Yellowstone Gallery2" src="http://s.ngm.com/2009/08/yellowstone/yellowstone-gallery2-160.jpg" /> <DIV class="pointercontainhed">Supervolcano</DIV> <DIV class="pointercontainsub">Yellowstone last erupted 640,000 years ago. The future is anyone’s guess. See photographs by Mark Thiessen.</DIV></A></DIV></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/4E6605A9-B9FB-41AD-9966-CB0359EF4CE7/blog/" title="blog or email this clip"><img src="http://content7.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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