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Latest Types of volcanic eruptions Stories

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2009-04-08 09:05:01

Collect first data on lightning during volcano's initial eruption Researchers hit the jackpot in late March, when, for the first time, they began recording data on lightning in a volcanic eruption--right from the start of the eruption. Using a multi-station, ground-based Lightning Mapping Array, the scientists advanced our understanding of electrical activity during a volcanic eruption. Portable Lightning Mapping Arrays are now set up in several areas of the country, and are becoming...

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2009-04-06 13:55:00

Residents of Alaska's largest city near Mount Redoubt are being forced to take strong measures due to the irritation caused by volcanic ash spewing from the volcano's top, the Associated Press reported. Those near the volcano occasionally have to wear air-filtration masks and stretch panty hose over the air intake of cars and trucks. Anchorage resident Brad Sandison, a retired truck driver and avid cyclist who carries a face mask and goggles whenever he rides near the volcano, said he is...

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2009-04-06 06:20:40

Chile's Llaima volcano, 435 miles south of Chile's capital Santiago, began erupting again Friday night. The eruption shot ash 4 miles into the air that was then blown by the wind in the direction of Argentina provoking further evacuations. Llaima also blew on January 1, 2008, and has continued to blast rock and ash ever since then. State National Emergency Office ONEMI announced that a huge ash cloud was heading toward Argentina, expanding 62 miles southeast of the volcano. "The volcano...

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2009-03-28 12:05:00

Friday saw another round of volcanic explosions at Alaska's Mount Redoubt, shooting ash clouds as high as 50,000 feet above sea level and sending drivers on a run to the auto parts store for replacement air filters, the Associated Press reported. The majority of the ash was anticipated to fall to the north, the National Weather Service proposed, however slight amounts of ash from two Friday eruptions, as well as smaller overnight eruptions, could send ash falling on Anchorage itself. ...

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2009-03-27 10:16:42

Using radar images acquired by ESA satellites from 1992 to 2006, scientists have for the first time been able to monitor the long-term behavior of Mt. Etna, Europe's highest and most active volcano. This unprecedented time series of Synthetic Aperture Radar (SAR) observations from ESA's ERS-1, ERS-2 and Envisat satellites provided crucial information for understanding how the volcano's surface deformed during the rise, storage and eruption of magma. Changes in surface deformation, such as...

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2009-03-24 12:30:00

For the first time in nearly 20 years, the 10,200-foot Mount Redoubt in Alaska erupted five times overnight Sunday, propelling a 9 mile cloud of ash into the air, the Associated Press reported.  Although residents of the state's most populated city did not witness any falling ash, small communities just north of Anchorage observed bits of falling, fine gray dust on Monday. In a small 24-hour grocery store located in Willow, a small town just 50 miles north of Anchorage, 56-year old,...

2009-02-23 12:25:00

Scientists at volcano monitoring stations in Alaska say they are confident in their abilities to track volcanic activity at the active Redoubt Volcano. The scientists stationed at the Alaska Volcano Observatory in Anchorage and the city of Fairbanks, said the monitoring stations have made significant advancement since the volcano's 1989 eruption, the Anchorage Daily News said Sunday. The Redoubt Volcano has been the source of recent volcanic activity, leading to concerns it may soon erupt....

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2009-02-02 12:10:00

Japan's Mount Asama volcano erupted early Monday sending plumes of smoke more than one mile into the air and spreading ash over parts of Tokyo. So far, officials have reported no injuries related to the eruption that occurred just 90 miles northwest of the capital city. Ash was detected over a wide area, including central Tokyo and as far as eastern Chiba.The volcano previously erupted in August 2008. No major damage was reported during that blast either. Many residents were puzzled about the...

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2009-02-01 12:45:00

In the latest sign that an eruption could be imminent, further seismic activity has been detected at Alaska's Mount Redoubt, scientists reported Saturday.  "Since late Friday afternoon, seismic activity has been relatively low at Redoubt; however, it is still above normal background levels," the Alaska Volcano Observatory said early Saturday. "The volcano is in a state of unrest," it said. Geologists monitoring the volcano for indications of a possible eruption noticed that a hole in...

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2009-01-29 14:10:00

Alaska's Mount Redoubt volcano is expected to erupt at any time now and scientists are keeping a watchful eye on the volcano's hour-to-hour activity. The Alaska Volcano Observatory told CNN news that Redoubt's seismic activity level of has increased markedly in recent days at the 10,197-foot peak located about 100 miles southwest of Anchorage, the state's most populous city. Peter Cervelli, a research geophysicist with the observatory, is keeping a watchful eye on the volcano. "We don't have...


Latest Types of volcanic eruptions Reference Libraries

Arenal Volcano
2014-08-28 11:31:44

Arenal Volcano, also known as Volcán Arenal, is an active stratovolcano that is located in northwestern Costa Rica. It can be found in Arenal Volcano National Park and was one of Costa Rica’s most active volcanoes until 2010. This volcano has a small crater and several eruptive vents and is the youngest of all active volcanoes in Costa Rica. Arenal Volcano has produced some violent eruptions, including the eruption of 1968, which covered three villages, killed eighty-seven people, and...

2014-08-28 11:14:31

Nevado del Ruiz, also known as La Mesa de Herveo, is an active stratovolcano that is located along the border of the Colombian territories, or departments, of Caldas and Tolima. It reaches an elevation of 17,457 and is shaped like a cone. This volcano is protected within Los Nevados National Natural Park, along with many other volcanoes, and it is a popular tourist destination. Winter activities like skiing are conducted here as well as hiking and fishing. Nevado del Ruiz is part of the...

Galeras
2014-08-28 10:56:28

Galeras is a stratovolcano that is located in Nariño, a Colombian controlled territory. This volcano, which reaches a height of 14,029 feet, is highly active and the most active volcano in Colombia. It primarily contains andesite and holds two calderas that were created by eruptions in the past 560,000 years. Although it is shaped like a horseshoe, eruptions have caused a cone shaped structure to build up in one of the calderas. It was labeled a Decade Volcano in 1991, despite its recent...

Chaitén
2014-08-28 10:38:21

Chaitén is a volcanic caldera that is located in southern Chile that reaches an elevation of 3,681 feet. It is thought that this volcano once held a rhyolite obsidian lava dome that reached 3,156 in height, but this was destroyed after its most recent eruption in 2008. In the past, this volcano has released grey obsidian, which was used by pre-Columbian cultures to make many objects, some of which have been found 250 miles away from the volcano. Chaitén experienced the beginning of a new...

Villarrica
2014-08-19 11:03:54

Villarrica, also known as Rucapillán, is an active stratovolcano that is located in Chile and is protected within Villarrica National Park. This volcano is one of five known volcanoes to have a lava lake within its crater and it often produces strombolian eruptions that contain lava flows and incandescent pyroclasts. It is one of three volcanoes that occur along the Gastre Fault Zone, along with the less active Quetrupillán and Lanín volcanoes. During the Valdivia Interglacial, it...

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Word of the Day
monteith
  • A large punch-bowl of the eighteenth century, usually of silver and with a movable rim, and decorated with flutings and a scalloped edge. It was also used for cooling and carrying wine-glasses.
  • A kind of cotton handkerchief having white spots on a colored ground, the spots being produced by a chemical which discharges the color.
This word is possibly named after Monteith (Monteigh), 'an eccentric 17th-century Scotsman who wore a cloak scalloped at the hem.'
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