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According to the conclusions of a new study from experts in the United States, it would appear that Medusae Fossae Formation on the surface of Mars has a volcanic origin. How this landscape feature formed has puzzled planetary scientists for years.
The structure is basically a 1,000-kilometer (620-mile) deposit loc... |
25 May 2012 09:14 GMT |
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Using data from the Landsat satellite constellation, experts at the American space agency have recently created a new time-lapse video of Mount St. Helens and the surrounding areas, showing how life recovered following the volcano's massive, May 18, 1980 eruption. The event saw the entire northern face of the ... |
21 May 2012 04:01 GMT |
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Volcanic rocks called pumice may have carried the earliest lifeforms that developed on Earth across vast expanses of water, allowing microbes and other microorganisms to populate far-off, isolated regions, such as islands. Pumices are highly-porous materials, and researchers have been interested in their potential... |
30 April 2012 04:46 GMT |
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A long-term study of the Martian underground, conducted using the European Space Agency's (ESA) Mars Express orbiter, has revealed the makeup of lava flows and densities underneath some of the largest volcanoes on the Red Planet.
The analysis is essential for improving our understanding of how the neighboring w... |
27 April 2012 04:23 GMT |
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Based on two new studies of the plumbing systems beneath several volcanoes, researchers from the University of Leeds are currently working towards developing a method for the prediction of volcanic eruptions long before they occur.
These plumbing systems are in fact made up of magma chambers, cavernous structures fi... |
30 March 2012 10:55 GMT |
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According to the results of a new scientific investigation, it would appear that volcanism was once one of the most important sources of sediments on the Red Planet. Researchers were recently able to identify widespread fields made out of glass on the surface of Mars.
The findings also suggest that, even under hype... |
29 March 2012 16:31 GMT |
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A paper published in a recent issue of the top journal Science reiterated the necessity of global and frequent data coverage of volcanoes. This can be achieved by using satellites. Various spacecraft have already begun revealing signs that once-dormant volcanoes start to reawaken. To put things into perspective, it... |
28 March 2012 05:04 GMT |
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Io, one of Jupiter's largest moons, is indeed a unique object in the solar system. In addition to being the most volcanically-active, it is also the only known celestial body that does not have impact craters. A new study demonstrates that the two are connected.
In other words, this moon features no visible sc... |
20 March 2012 05:16 GMT |
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In a finding that reminded experts of the ancient Roman city of Pompeii – which was buried “alive” under a thick layer of volcanic ash centuries ago – an international group of investigators recently discovered a 300-million-year-old forest that suffered exactly the same fate.
The tropical f... |
21 February 2012 17:41 GMT |
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An international collaboration of scientists, led by investigators at VU University Amsterdam, say that the Moon has no volcanoes because its mantle – the layer of liquefied rocks underneath the crust – is extremely dense, and cannot rise towards the surface.
On Earth, volcanoes mostly form where tecton... |
21 February 2012 05:45 GMT |
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The latest image of the El Hierro volcano, snapped from aboard the NASA Earth Observing-1 (EO-1) satellite, is revealing the extent of the underwater eruption that began in the Canary Islands about four months ago.
This visible-light image was collected on February 10, with the Advanced Land Imager (ALI) instrument ... |
15 February 2012 02:38 GMT |
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Recent investigations of the Sytris Major region on Mars have revealed an impressive area of formerly-intense volcanic activity. The calderas have been inactive for billions of years, but they do remind investigators of a time when our neighboring planet was very geologically active.
When it first formed, Mars also... |
4 February 2012 04:55 GMT |
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A paper published in the January 31 issue of the esteemed scientific journal Geophysical Research Letters proposes that the Little Ice Age – a global cooling that occurred at the end of the 13th century, and lasted for about a century – was caused by volcanic eruptions.
The event was also supported by ex... |
31 January 2012 06:08 GMT |
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Officials with the United States Geological Survey (USGS) announce that their Hawaiian Volcano Observatory (HVO) is turning 100 this year. Throughout 2012, a number of events and manifestations will mark this momentous occasion.
The installation is located on the rim of Mount Kilauea's caldera, in the Hawaii Vo... |
18 January 2012 06:03 GMT |
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Data from the latest investigations conducted by researchers in the United States demonstrate that the Permian-Triassic (P-Tr) extinction event may have indeed been caused by massive volcanic eruptions.
The idea was one of the first to be proposed as an explanation, right alongside the formation of the supercontinen... |
11 January 2012 08:14 GMT |
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Mount Etna decided to frighten the people living around it for the first time this year. On January 5, it erupted, generating an ash cloud that currently rises about 5 kilometers (3.1 miles) into the atmosphere.
Traffic through the Fontanarossa di Catania airport, in Italy, was immediately limited, due to growing co... |
5 January 2012 06:42 GMT |
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This photograph is now more than 9 years old, having been collected by the NASA Terra satellite on April 9, 2003. Yet, the passing of time has not affected its beauty. The area depicted here is the volcanic caldera named Laguna del Maule.
The image is zoomed on the northern parts of the caldera. The formation, which... |
3 January 2012 01:45 GMT |
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Earlier this month, a strong volcanic eruption began taking place in the Red Sea. By December 19, fishermen reported seeing columns of lava rising as much as 90 feet (30 meters) above the waves. At this point, a new, barely-held-together island has appeared where there was only water before. The area is not necessari... |
29 December 2011 11:28 GMT |
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According to a new image collected by the American space agency's Earth Observation-1 (EO-1) satellite, the Nyamuragira volcano in the Democratic Republic of Congo (DRC) has sprung into action yet again. A new eruption began unfolding on November 6.
Fortunately, the lava masses currently making their way throu... |
17 November 2011 04:46 GMT |
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Mission controllers managing the NASA Earth Observing-1 (EO-1) satellite recently used the Advanced Land Imager (ALI) aboard the spacecraft to image the active stratovolcano Kizimen.
Located in eastern Russia, the landscape feature is constantly growing, as evidenced by the fresh material that is also visible in th... |
10 November 2011 05:06 GMT |
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Using the Advanced Land Imager (ALI) on the NASA Earth Observing-1 (EO-1) satellite, experts were recently able to capture a new image of the effects of a massive, underwater volcanic eruption. The event occurs above a tectonic hot spot, between the coasts of Spain and North Africa.
The eastern Atlantic Ocean house... |
8 November 2011 10:37 GMT |
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Expedition 29 astronauts aboard the International Space Station recently snapped this image of Volcan Parinacota from orbit, using a Nikon D2Xs digital camera with a 400 mm lens. The view shows a potentially active stratovolcano in the Andes mountains of west-central South America. This photo was released by the ISS ... |
17 October 2011 02:55 GMT |
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Since the 1960s, orbiters and rovers that flew to Mars have been observing geological features called rilles in a region of the planet called Hesperia Planum. Even now, researchers can't say for sure where these features originated, or how they came to be.
The best way to describe rilles is as series of narro... |
13 October 2011 08:12 GMT |
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NASA experts recently used the Landsat 7 spacecraft to image the Aniakchak National Monument, in the Alaskan Peninsula. The view is centered on the massive caldera that represents the centerpiece of the Aniakchak National Preserve.
The geological origins of the massive, 6-mile (10-kilometer) wide caldera were con... |
12 October 2011 04:13 GMT |
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The Puyehue Corón-Caulle Volcano – which is located in the Puyehue National Park, on the Chilean Andes Mountains – continues to erupt even after 4 months of activity. Recent satellite images even show new lava being produced, and sent rolling on mountain slopes.
The NASA Earth Observing-1 (EO-1... |
12 October 2011 03:49 GMT |
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Data collected by the NASA Dawn space probe indicated a short time ago that Vesta – its mission target and the largest asteroid in the solar system – houses the largest mountain ever discovered. Now, new data show the landscape feature from a different perspective.
The mountain on Vesta is roughly 13 ... |
11 October 2011 03:47 GMT |
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In a paper published in the October issue of the journal Geology, investigators announce the discovery of a massive landslide that occurred in the Canary Islands, Spain, in ancient times. Details of the catastrophe have remained perfectly preserved in the geological record.
Scientists with the American Geophysica... |
10 October 2011 14:01 GMT |
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The latest data sent to Earth by the NASA Dawn space probe – currently in orbit around the giant asteroid Vesta – indicate that a massive mountain exists on the object's southern hemisphere. In addition, the spacecraft also found an unexpected level of geological diversity on the object.
Accordin... |
4 October 2011 08:45 GMT |
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At the border between Eritrea and Ethiopia, in Africa, the Nabro Volcano has apparently been operating since June 2011. Satellite imagery recently confirmed that the mountain is still active, spreading lava and large ash clouds above large areas.
The edge of the Danakil Desert is very remote and only sparsely pop... |
30 September 2011 02:33 GMT |
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The Laki eruption of 1783, while unknown to many, was a massive volcanic eruption in southern Iceland that led to the production of massive acid rain clouds throughout Europe. Scientists now warn that this could happen again, were a similar eruption to occur at this point.
Over the past couple of years, two major ... |
20 September 2011 16:31 GMT |
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For many years now, experts have been proposing the adoption of geoengineering schemes meant to help bring global temperature down to more manageable levels. However, engaging in such efforts could have serious repercussions, which scientists are currently analyzing in depth. In short, geoengineering refers to manipu... |
25 August 2011 16:01 GMT |
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The results of a new scientific investigation from researchers at the Massachusetts Institute of Technology (MIT) indicate that the discovery of sulfurous molecules on a distant, extrasolar planet could be construed as an indication that life may have developed at that location.Astrobiologists know that life here on ... |
28 July 2011 08:49 GMT |
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Scientists announce the discovery of a volcano on the far side of the Moon, at a location that has been baffling astronomers for several years. The area was known as a curious hot spot, but its position prevented experts from conducting in-depth studies.The latest images of the structure reveal it to be a volcanic pr... |
25 July 2011 03:31 GMT |
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In one of the first studies of its type ever conducted, researchers were able to discover a string of volcanoes underneath the frigid water of Antarctica. More than a dozen such volcanoes were found, of which some are still active. Others reach up to 3,000 meters (roughly 10,000 feet) in altitude, even though their e... |
13 July 2011 05:55 GMT |
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According to the conclusions of a new scientific study, it would appear that volcanic eruptions have the ability to influence Earth's climate to a far greater extent than indicated by models and theories.Geological evidence indicate that there were times in our planet's distant history when the eruption of ... |
13 July 2011 05:15 GMT |
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When selecting the extrasolar planets most likely to support life, astrobiologists should consider objects with intense levels of volcanic activity as prime candidates. Researchers in the United States say that sulfurous compounds released by volcanoes may be like oxygen for lifeforms. While it may be inconceivable f... |
1 July 2011 09:44 GMT |
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The 2010 eruption of the Eyjafjallajökull Volcano and the 2011 eruption of the Grímsvötn Volcano both spread massive ash plumes in the air, forcing flights and passengers to remain grounded. But these events were just a “taste” of the eruptions that lie in store for out planet. This concl... |
13 June 2011 05:59 GMT |
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Encouraged by their success in finding hundreds of extrasolar planets, astronomers are now turning their eyes on identifying several other features on these worlds, which may be indicative that they resemble Earth. Volcanoes are now one of them, experts say.While analyzing our own solar system, experts identified tra... |
6 June 2011 05:30 GMT |
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According to the conclusions of a new scientific report, it would appear that the interior of the Moon is equally as wet as Earth's. The discovery comes on the heels of another shocking finding, which indicates that the surface of our natural satellite may be as wet as the Sahara Desert.
While this may not s... |
27 May 2011 02:04 GMT |
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Experts say that it may be possible to use satellite monitoring data to get relatively accurate predictions as to how ash plumes emitted by volcanoes might spread in the surrounding regions. This is essential for flying airplanes safely, but also for preventing air catastrophes. This discussion was again brought into... |
26 May 2011 10:35 GMT |
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Southern Iceland is again being shaken by a violent volcanic eruption, which originates from the Grímsvötn volcano. Its caldera is spewing massive amounts of ashes and fumes high in the atmosphere, and the European Space Agency (ESA) is focusing its best satellites on the event. One of the most important ... |
24 May 2011 09:31 GMT |
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Shortly after the Eyjafjallajökull volcano began erupting in Iceland last year, authorities in Europe and in other areas of the globe decided to shut down major airports, causing millions of euros in economic damages to numerous countries. An analysis of the ash released shows this was the right thing to do. Sci... |
27 April 2011 04:25 GMT |
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Previous analysis of data sent back by the NASA Cassini orbiter determined that the surface of the Saturnine moon Titan was laden with active ice volcanoes. Geologists believed that these landforms helped shape the current landscape on the moon, but a new analysis argues that this was not the case.Investigators deter... |
8 April 2011 05:55 GMT |
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Astronomers consider the volcanic Jovian moon Io to be one of the prime candidates for the existence of life in the solar system, in places other than Earth. Experts believe that the environment on the small celestial body is similar to that of our planet, in its distant past. Io is widely considered to be the most v... |
4 April 2011 07:35 GMT |
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Following the recent eruption of a volcano in Hawaii, NASA has decided to begin a new investigations campaign, whose main goal will be to get more insight into what's going on beneath the Earth's surface at this location. The processes underlying volcanic eruptions, earthquakes and the formation of tsunamis... |
2 April 2011 03:21 GMT |
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While conducting investigations in the northern hemisphere of the Red Planet, the Mars Express orbiter imaged two neighboring volcanoes, that researchers say are evidence of the planet's geologically-active past. The spacecraft belongs to the European Space Agency (ESA).Volcanic activity at the two mist-capped m... |
1 April 2011 08:04 GMT |
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A spacecraft orbiting the Red Planet may have discovered the first clear signs of a former hydrothermal environment on Mars. The mounds that indicated the presence of such a habitat were discovered on the slopes of a volcano, and were determined to be some three billion years old. The reason why this discovery is cri... |
21 March 2011 04:46 GMT |
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The seed of a new ocean on Earth has been planted less than 6 years ago, experts say. The body of water will develop along the East African Rift, and is the direct consequence of a massive volcanic eruption that took place in Ethiopia in 2005. In just a matter of days – a blink of an eye in geological terms &nd... |
3 March 2011 05:11 GMT |
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In an new analysis, carried out by an international group of scientists, the main factors that influenced the European climate over the past 500 years or so were identified and cataloged. It was determined that volcanic eruptions, solar activity patterns and greenhouse gas emissions were the most important influences... |
20 January 2011 15:01 GMT |
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Investigators were recently able to determine an interesting fact about the Red Planet, when they learned that an area of land near the volcano Olympus Mons shows signs of having been modeled by tectonic activities in recent geological times. The finding is very important because experts believe our neighboring pla... |
3 January 2011 10:47 GMT |
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