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ICELAND'S EYJAFJALLAJOKULL ERUPTS! > (PHOTO'S BY NASA)
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SPREAD OF ICELAND'S ASH CLOUD OVER EUROPE
The volcano located on Iceland’s Eyjafjallajokull glacier has a history of long lasting eruptions and with over thirty more active volcanoes in the country, scientists are concerned about the future. Scientists have outlined three scenarios for the volcanoes. The most human friendly scenario is that the magma from the volcano ceases to flow, putting a stop to the ice surrounding the area closest to the eruption melting away. Another projection is that there is a repeat of the volcano’s eruption in 1821 where it slowly released magma for 13 months. This possible scenario could really be problematic for European airports who have already suffered heavy losses from the existing ash cloud that could now make its way to the U.S.
The most frightening prediction involves increased activity from more than 30 active Icelandic volcanoes that would cause severe melting of ice used for living in Iceland, a large amount of deaths, and horrific air quality that would affect travel as well as the ongoing concern for global warming. -
VOLCANO UNDER EYJAFJALLAJOKULL GLACIER ERUPTING 4.17.10
Eyjafjallajökull is pronounced similar to "EYE-a-fyat-la-yu-goot," and it is still spewing ash into the atmosphere. Volcanic eruptions are important sources of gases, such as sulphur dioxide (SO2) and volcanic ash (aerosols) in the atmosphere.
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VOLCANO UNDER EYJAFJALLAJOKULL GLACIER ERUPTING 4.18.10
NASA's Aqua and Terra satellites fly around the world every day capturing images of weather, ice and land changes. Over the last three days these satellites have provided visible and infrared imagery of the ash plume from the Eyjafjallajökull volcano in Iceland.
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VOLCANO UNDER EYJAFJALLAJOKULL GLACIER ERUPTING 4.19.10
The continuing eruption of Iceland's Eyjafjallajökull volcano was observed Mon., April 19, 2010, by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) instrument onboard NASA's Terra spacecraft and shows a white eruption column being carried toward the south by prevailing winds. The image is dominated by the gray, ash-laden eruption cloud dispersed south and east by the winds, blowing from the southern Iceland coast toward Europe. This image covers an area of 58.6 by 46.8 kilometers (36.3 by 29 miles). The resolution is 15 meters (49 feet) per pixel.
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VOLCANO UNDER EYJAFJALLAJOKULL GLACIER ERUPTING 4.20.10
Even today, as some European flights begin to take off and airlines work to catch up on more than 95,000 flights estimated by the European Space Agency cancelled in the last week, the volcano under Iceland's Eyjafjallajokull continues to spew ash and volcanic material into the air.
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VOLCANO UNDER EYJAFJALLAJOKULL GLACIER PLUME 4.15.10
As opposed to when Iceland's Eyjafjallajokull volcano last erupted in 1821, today, scientists have technology to aid in their detection of the volcano and its composition. This NASA image shows the bright red areas mark the hot lava at the current vent (upper left), and the still-hot lava flows from the earlier phases of the eruption (upper center). The high-temperature material is revealed by ASTER's thermal infrared bands.
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VOLCANOES OF ICELAND
Iceland, the land of ice and fire, is a true paradise for volcanologists. In few places on earth, geology and human history are so closely connected to volcanism as on Iceland. The island owns its existence to a large volcanic hot spot sitting on a mid-oceanic ridge, a unique setting. The plate boundary between the American and Eurasian tectonic plates crosses Iceland from south to North and the spreading process can be directly measured and observed on land. The country is thought to be home to more than 130 volcanoes, 22 of them currently active.
