Awesome power of Iceland volcano
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A volcanic eruption in Iceland has set off tremors and prompted officials to warn pilots to avoid flying through gasses emitted by the blast.
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In the years since Mount St. Helens last erupted, technology has completely revolutionized volcano science.
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The 1980 eruption of Mount St. Helens, located 100 miles (160 kilometers) south of Seattle, Washington, was so powerful it blew off the top of the mountain.
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While earthquakes, steam and magma are getting all the attention on Mount St. Helens these days, the volcano&#39;s most unique feature could
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The stone "fin" on the new lava lobe inside the crater at Mount St. Helens seems to be starting to split. The fin, which is about 200 feet tall and 300 feet wide, is building on the new lava dome, which is about 1,600 feet in diameter and 400 feet high.
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Mount St. Helen&#39;s begins another phase of activity that scientists say is a good mix for another eruption. Earthquakes surged beneath Mount St.
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A volcanic eruption in Iceland sets off tremors and pilots are told to take evasive action.
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Mount St. Helens vented more steam Monday as new thermal images revealed that parts of the lava dome in its crater are piping hot, a sign that magma continues to rise within the volcano.
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The summit of a Maui volcano whose Hawaiian name means "House of the Sun" has been recommended as the site for one of the world's biggest and most advanced solar telescopes.
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MOUNT ST. HELENS - Part of Mount St. Helens&#39; crater has risen an additional 100 feet in the past few days, more evidence of change in the volcano as it enters a new period of activity.
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Part of the lava dome in Mount St. Helens&#39; crater has risen 50 to 100 feet since Tuesday while earthquake activity remained lowâ signs that molten rock is moving
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An eruption this morning at Mount St. Helens released more steam and ash into the air. Today&#39;s eruption has been described as much larger than yesterday&#39;s.
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The chance of a major eruption of Mount St. Helens increased sharply yesterday, as government scientists said molten rock from deep beneath the mountain was moving toward the volcano&#39;s dome.
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MOUNT ST. HELENS NATIONAL MONUMENT, Wash., Oct. 3 -- A reawakening volcano sparked a makeshift festival here Sunday, as thousands of people staged parties at every wide spot in the two-lane road to the mountain.
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Mt St Helens, a volcano that devastated swathes of the US north-west when it erupted 24 years ago has rumbled back to life, raising fears of a fresh explosion, seismologists said.
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MOUNT ST. HELENS -- The plane is a speck of mica in the volcano&#39;s plume. It cuts back and forth through the cloud, battling the updrafts, downdrafts and turbulent air currents that form over a hot, heaving crater.
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MOUNT ST. HELENS NATIONAL VOLCANIC MONUMENT  -  Mount St. Helens spewed steam and gray ash from a small  explosive eruption in its crater on Friday, as the volcano in  Washington state awoke from its slumber for the first time in  nearly two decades.