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Message: <blockquote data-quote="lkdood" data-source="post: 7262820" data-attributes="member: 92282">A volcano under a glacier in Iceland erupted Wednesday for the second  time in less than a month, melting ice, shooting smoke and steam into  the air, closing a major road and forcing hundreds of people to flee  rising floodwaters.Authorities evacuated 800 residents from  around the Eyjafjallajokull glacier as rivers rose by up to 10 feet (3  meters).Emergency officials and scientists said the eruption  under the ice cap was 10 to 20 times more powerful than one last month,  and carried a much greater risk of widespread flooding."This is a  very much more violent eruption, because it's interacting with ice and  water," said Andy Russell, an expert in glacial flooding at the  University of Newcastle in northern England. "It becomes much more  explosive, instead of a nice lava flow oozing out of the ground."<img src="http://farm3.static.flickr.com/2725/4519170174_f5700dd86f_o.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />Rognvaldur  Olafsson, a chief inspector for the Icelandic Civil Protection Agency,  said no lives or properties were in immediate danger. Scientists said  there was no sign of increased activity at the much larger Katla volcano  nearby.The agency said commercial aircraft had reported seeing steam plumes  rising thousands of feet (meters) into the air. Scientists aboard a  Coast Guard plane that flew over the volcano said the new fissure  appeared to be up to 1.2 miles (2 kilometers) long.There were no  immediate signs of large clouds of volcanic ash, which could disrupt air  travel between Europe and North America. Some domestic flights were  canceled, but Iceland's international airport remained open.The  volcano, about 75 miles (120 kilometers) east of Reykjavik, erupted  March 20 after almost 200 years of silence.The original eruption  petered out earlier this week. But Gunnar Gudmunsson, a geophysicist at  the Icelandic Meteorological Office, said there were a series of tremors  overnight, and rivers in the area began rising Wednesday morning —  strong evidence of a new eruption under the glacier.Last month's  eruption struck near the glacier in an area that had no ice. Gudmunsson  said the new eruption appeared to be about eight or nine kilometers  (five to six miles) west of the original fissure."Most probably  this eruption is taking place at the summit ... under the ice," he said.<img src="http://farm3.static.flickr.com/2772/4519170152_8b9fc03639_o.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />Pall  Einarsson, a geophysicist at the University of Iceland, said magma was  melting a hole in the 650-foot (200 meter) thick ice covering the  volcano's crater, sending floodwater coursing down the glacier into  lowland areas.Residents were evacuated to a Red Cross center in  the nearby community of Hvolsvollur, the Civil Protection Agency said.Iceland's  main coastal ring road was closed near the volcano, and workers smashed  a hole in the highway in a bid to give the rushing water a clear route  to the coast and prevent a major bridge from being swept away.Iceland,  a nation of 320,000 people, sits on a large volcanic hot spot in the  Atlantic's mid-oceanic ridge. Volcanic eruptions are often triggered by  seismic activity when the Earth's plates move and when magma from deep  underground pushes its way to the surface.The last time there was  an eruption near the 100-square-mile (160 square-kilometer)  Eyjafjallajokull glacier was in 1821.A bigger worry is Katla,  which in the past has erupted in tandem with Eyjafjallajokull.Katla  is located under the vast Myrdalsjokull ice cap. An eruption could  cause widespread flooding and disrupt air traffic between Europe and  North America.The last major eruption took place in 1918, and  vulcanologists say a new blast is overdue."So far there have been  no signs of the reawakening of the Katla volcano, but a lot of things  can still happen, so we are monitoring it quite closely," Einarsson  said.<img src="http://www.google.com/hostednews/img/ap_logo.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></blockquote>

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