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Image 1 - Fiery Volcano Give Researchers A Geologic Glimpse Into Land That Time Forgot
2011-10-20 09:31:50

[ Watch the Video ] The first scientists to witness exploding rock and molten lava from a deep sea volcano, seen during a 2009 expedition, report that the eruption was near a tear in the Earth's crust that is mimicking the birth of a subduction zone. Scientists on the expedition collected boninite, a rare, chemically distinct lava that accompanies the formation of Earth's subduction zones. Nobody has ever collected fresh boninite and scientists never had the opportunity to monitor...

Tenerife Landscape Reveals Explosive Past
2011-10-03 04:51:52

Volcanologists from the University of Leicester have uncovered one of the world's best-preserved accessible examples of a monstrous landslide that followed a huge volcanic eruption on the Canarian island of Tenerife. Seven hundred and thirty-three thousand years ago, the southeast slopes of Tenerife collapsed into the sea, during the volcanic eruption. The onshore remains of this landslide have just been discovered amid the canyons and ravines of Tenerife's desert landscape by...

Scientists Concerned By Continued Eruptions At Alaskan Volcano
2011-09-18 04:41:53

  The two-month long, low-level eruptions occurring at a volcano in Alaska's Aleutian Islands have volcanologists worried that there could be a larger eruption forthcoming, Yereth Rosen of Reuters reported on Friday. The volcano causing concern is Cleveland Volcano (also known as Mount Cleveland), a 5,676-foot peak located less about 940 miles southwest of Anchorage. As previously reported here on RedOrbit, an eruption warning was issued by the Alaska Volcano Observatory in late...

2011-09-15 07:00:00

Spa Revolutions Introduces the Only Self-Heating Bamboo Massage Tool Escondido, CA (PRWEB) September 15, 2011 Spa Revolutions, a nationwide provider of naturally self-heating skincare, beauty and wellness products for professionals, officially announced the launch of Lava BambÃ…«Ã¢“ž¢, the world's only naturally self-heating bamboo massage tool. Lava BambÃ…«Ã¢“ž¢ is made with 100% authentic Black...

Remote Alaska Volcano Resumes Dome Growth
2011-09-08 04:46:08

  Mount Cleveland, a volcano sitting on the western half of Chuginidak Island 115 miles west of Dutch Harbor and 950 miles southwest of Anchorage, is reported to be on watch status with an aviation color code of orange, according to the Alaska Volcano Observatory (AVO). Anchorage Daily News reported in July that a lava dome was forming in the crater of the volcano and reached a width of 140 feet in diameter. But on August 30, it appeared that the lava dome had reached a maximum...

Mount Etna Begins 12th Eruption Of Year
2011-08-30 09:44:46

  Italy´s famed volcano Mt. Etna has erupted for the twelfth time this year, spewing lava and ash into the upper atmosphere, according to an Associated Press report. Italy´s Civil Protection Agency says the nation´s geophysics and volcanology institute on Monday registered increased explosive activity by Etna, eight days after the latest eruption began, spewing out a significant amount of ash in a southeast direction early in the day but that the eruption tapered off...

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2011-08-11 08:41:57

Sunken oceanic crust resurfaces from Earth's mantle after only 500 million years The recycling of the Earth's crust in volcanoes happens much faster than scientists have previously assumed. Rock of the oceanic crust, which sinks deep into the earth due to the movement of tectonic plates, reemerges through volcanic eruptions after around 500 million years. Researchers from the Max Planck Institute for Chemistry in Mainz obtained this result using volcanic rock samples. Previously, geologists...

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2011-08-10 09:30:00

On the remote, uninhabited Chuginadak Island in Alaska, a volcano has begun erupting, but poses little danger to people or aircraft, officials said Tuesday. The Cleveland volcano is erupting with a slow effusion of magma, forming a lava dome. It is not an explosive eruption that generates large ash plumes, explains John Power, the scientist-in-charge at the Alaska Volcano Observatory. "So far, it's just lava as far as we can tell from our satellite imagery and the people who have managed to...

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2011-08-01 13:26:23

Mount Etna volcano on the island of Sicily erupted during the weekend, shooting flames 820-feet in the air and spewing lava down its slopes. Some are concerned about the effects the eruption will have on air travel, but the winds were blowing the ash away from the airport and no flights had been cancelled. According to the Italian Institute of Volcanology, the volcanic activity started on Saturday morning and continued through the day and overnight into Sunday. This is the fourth and the...

2011-07-13 12:40:14

Lava on the Caribbean island of Hispaniola indicates deep rock is 1 billion years older than previously thought Earthquakes and volcanoes are known for their ability to transform Earth's surface, but new research in the Caribbean has found they can also move ancient Earth rock foundations more than 1,000 miles. Two University of Florida geologists are part of a team that found lavas on the Caribbean island of Hispaniola "“ home to Haiti and the Dominican Republic "” that suggest...


Latest Lava Reference Libraries

Hualālai
2014-04-10 12:06:55

Hualālai is a dormant shield volcano that is located on the island of Hawaii and is one of five volcanoes that form the island. It reaches an elevation of 8,271 feet and is thought to have emerged from the sea about 300,000 years ago, making it the third youngest volcano on the island. Its shape is rough compared to younger volcanoes and it holds three rift zones that are covered with over one hundred cinder cones and spatter cones. Although it does not hold a caldera at its summit, it does...

Kohala
2014-04-10 10:03:58

Kohala is an extinct shield volcano that is located on the island of Hawaii and reaches an elevation of 5,480 feet. It is one of five volcanoes that comprise the island of Hawaii and is thought to be about one million years old, although it only emerged from the sea about 500,000 years ago. Because its last eruption is thought to have occurred about 120,000 years ago, based on studies conducted on hardened lava flows, this volcano is not thought to pose a threat to inhabitants on the island....

Eldfell
2014-04-08 12:54:37

Eldfell is an active stratovolcano that is located in Iceland on the island of Heimaey, in the Vestmannaeyjar archipelago. It reaches an elevation of 656 feet and was created during a volcanic eruption on the east side of the island in 1973. Its name means Mountain of Fire in the Icelandic language. Iceland is an area with a high frequency of volcanic activity because it is located on top of the Iceland hotspot and beside the Mid-Atlantic Ridge. So many eruptions occur here that it is thought...

Volcanology
2014-01-12 00:00:00

Volcanology is the study of volcanoes, magma, lava, and related geological, geochemical, and geophysical phenomena. The term volcanology comes from the Latin word Vulcan. Vulcan is the ancient Roman god of fire. A volcanologist is a person who studies the creation of volcanoes, and their current and historic eruptions. Volcanologists frequently visit volcanoes, particularly active ones, to observe volcanic eruptions, collect eruptive products including samples of tephra, lava, and rock....

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2005-05-25 18:45:14

Rhyolite is an igneous, volcanic (extrusive) rock, of felsic composition, with aphanitic to porphyritic texture. Mineral assembly is usually quartz, alkali feldspar and plagioclase (in a ratio > 1:2). Biotite and pyroxene are common accessory minerals. Rhyolite can be considered as the extrusive equivalent to the plutonic granite rock. Due to their high content of silica, rhyolite form highly viscous lavas. They can also occur as breccias or in volcanic necks and dikes. Like obsidian,...

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Word of the Day
siliqua
  • A Roman unit of weight, 1⁄1728 of a pound.
  • A weight of four grains used in weighing gold and precious stones; a carat.
  • In anatomy, a formation suggesting a husk or pod.
  • The lowest unit in the Roman coinage, the twenty-fourth part of a solidus.
  • A coin of base silver of the Gothic and Lombard kings of Italy.
'Siliqua' comes from a Latin word meaning 'a pod.'
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