Iceland Prepares For "Volcano From Hell"- Update......

Iceland prepares for "volcano from hell" Update Report......Iceland continues to prepare for a possible volcanic eruption.

Bardarbunga volcano, buried under one of Europe's largest glaciers, is rumbling to life. Tuesday morning, it was hit by a 5.7-magnitude quake.

"This could be the volcano from hell," said CBS News contributor and City University of New York physics professor Michio Kaku. "To quote Yogi Berra, 'It's deja vu all over again.' Remember the paralysis from four years ago? Millions of passengers being stranded with the threat of airplanes falling from the sky?"

In 2010, a volcanic eruption in Iceland created an ash cloud nine miles high. The plume spread across Europe, grounding 100,000 flights, affecting 8 million travelers and costing airlines $1.7 billion.

Kaku says this eruption could happen within the next few days, especially considering the latest earthquake.

"We have a new threat, and just this morning, a 5.7 earthquake rumbled across the glacier, so scientists are very concerned that a volcanic eruption could soon be happening. Maybe in the next few days, they're not sure."

Because the volcano is located under a glacier, Kaku says the resulting ash would be more hazardous to air travelers. "We have a new threat, and just this morning, a 5.7 earthquake rumbled across the glacier, so scientists are very concerned that a volcanic eruption could soon be happening. Maybe in the next few days, they're not sure."

"This is not an ordinary volcanic eruption," he said. "You have fine magmatic dust in the air. It could potentially cut through a glacier--freezing--causing a gasifie,d rocky, pebbly cloud to arise, and that gets in to an engine and chews up the gears, chews up the blades. So this ash coming out is not typical ash. That's why ice volcanoes are more dangerous than typical volcanoes."

While the aviation alert issued for the eruption was downgraded from red to orange, Kaku says the threat is still prominent.

"Over the weekend they had 3,000 small earthquakes, tremors all the time. So it went to red alert; eruption is eminent," Kaku said. "But scientists finally tracked the motion of magma. Magma is building up under the ice, but it hasn't reached the surface yet. That's why we're back down from a red to an orange. But remember, sometimes it can be a dud. Sometimes the magma never does reach the surface, but were not taking that chance this time. VIDEO INCLUDED IN NEWS.- " MORE- Subglacial Eruption Begins at Iceland's Bardarbunga Volcano-
Subglacial Eruption Begins at Iceland's Bardarbunga Volcano (Updated)

The remote Barðarbunga volcano viewed from Askja volcano in southeast Iceland.
One week after an earthquake swarm first warned of magma on the rise, a volcanic eruption has started near Iceland's Barðarbunga volcano, the Icelandic Met Office announced today (Aug. 23).
Iceland's Bárðarbunga volcano is still rumbling — but not yet erupting

The small-scale eruption is taking place northeast of Barðarbunga, underneath the Dyngjujökull glacier. Scientists estimate 492 to 1,312 feet of ice (150 to 400 meters) covers the emerging lava, the Met Office said in a statement. Even though no one can see the eruption, seismic signals indicate that ice is flashing into steam. This suggests lava has broken through to the surface, beneath the glacier.

The surface of Dyngjujökull glacier looked undisturbed during a survey flight today by the Iceland Coast Guard. There was no visible ash or melting ice, or cracks or sinkholes from the subglacial melting, the Met Office said. Radar and webcams also show no changes at Dyngjujökull soon after the eruption started at 2:10 p.m. local time (10:10 a.m. ET). [Gallery: Iceland's Booming Barðarbunga Volcano]

All of Iceland's airports remain open, though the airspace over the eruption site is closed. Barðarbunga is now on red alert, the highest on the country's five-grade aviation alert scale.

The eruption is being closely monitored for ash. At present time, officials do not expect a repeat of 2010, when the Eyjafjallajökull volcano grounded all flights in Europe. Aviation rules were changed after the shutdown. For example, in 2011, Iceland's Grímsvötn volcano blasted through ice in southeast Iceland (not far from Barðarbunga) and blew ash 12 miles (20 km) high, yet only 1 percent of Europe's flights were cancelled.

A more immediate threat is the glacial meltwater. Earlier this week, officials closed roads and evacuated tourists north of Barðarbunga. While the remote area is sparsely settled, the melting glacier could flood popular tourist sites and Iceland's main road.

Icelandic officials are monitoring the volcano with a dense network of earthquake sensors, radar and GPS stations. They're also watching water levels in the Jökulsá á Fjöllum river, the outlet for glacial meltwater. There are also three webcams. You can watch them here and here.

The equipment was set out after an intense earthquake swarm began Aug. 16, signaling magma rising underground. Since the swarm started, thousands of earthquakes rattled the volcano each day, with the center of earthquake activity slowly moving northeast through the week. The pattern suggests the magma was forming a long, thin sheet called a dyke.

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