"By mid-August, Sakurajima Volcano—one of Japan’s most active—had erupted ash at least once every week during 2010. On August 19, 2010, an ash plume was sighted at 9,000 feet.."

"Although it’s hard to imagine snow on an erupting volcano, winter snows partially covered Chaitén Volcanoe’s lava dome on August 10, 2010. According to the Buenos Aires Volcanic Ash Advisory Center, Chaitén emitted an ash plume as recently as July 30, 2010. Chaitén has been erupting since May 2, 2008. Although activity has tailed off, the volcano is still sporadically releasing ash and frequently emitting steam and other volcanic gasses."

"A small gray cloud—suggestive of ash emissions—lingered above Batu Tara Volcano on August 6, 2010. A large-scale view from a different satellite instrument [the Moderate Resolution Imaging Spectroradiometer (MODIS)] on the same day shows the plume extending due west from Batu Tara before disappearing under a blanket of clouds. Batu Tara has been active since January 2007."

"A plume puffed from Nyiragongo Volcano on August 3, 2010.."

"Diffuse plumes rise from Gaua Volcano (top) and Ambrym Volcano (bottom) in the Vanuatu Archipelago. Both Gaua and Ambrym are located in the New Hebrides Island Arc, where the Pacific Plate is subducting beneath the Australian Plate. This natural-color image was acquired on August 2, 2010.."

Manam Island 06-16-10

Klyuchevskaya 06-12-10

Sarychev Peak 06-11-10

Ulawun 06-10-10

Vog 06-06-10

Mount Pagan 06-03-10

Eyjafjallajkull 05-18-10

Gaua 04-24-10
+ more here..

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Column of ash shoots from erupting Ecuador volcano


Child of Krakatau Is Still Smoking


Volcano Sets Bulusan, Sorsogon, in Philippines on Edge


Java, Bromo volcano erupts. 25 thousand people at risk

by Mathias Hariyadi

 One of the mountains favoured by tourists in Indonesia is once again active. Local authorities prohibit access, because of the amount of ash, which is destroying crops and tourism industry. The people must cover their faces with a mask to guard against the heat. Jakarta (AsiaNews) - Mount Bromo in East Java province, a tourist destination of exceptional interest, is active once again. Its eruption threatens the livelihoods of about 25 thousand people. Located in the district of Probolingo, the mountain offers wonderful scenery. And nearby is another place of great beauty: a desert of sand home to a Hindu temple and a caldera volcano. Tourists are mainly attracted by the spectacle of sunrise over the mountain sides. Mount Bromo is a vital resource for the local economy. Residents of the area are largely employed in tourism: accommodation for hikers, guides, small restaurants, renting horses and jeep tours. But the rapid growth in eruptive activity is disrupting the lives of three districts, thousands of people are forced to wear masks, to protect their face from the heat. The latest reports say that the main roads leading to the mountains are covered in thick ash. Frequent rainfall in the month of December together with the ash has made the roads very slippery. Local authorities have banned access to tourists for security reasons. The eruption is destroying the local economy. Residents income comes primarily from the sale of vegetables to markets in the area. Farmers have already suffered damages in recent months from the eruption of Merapi. According to an estimate from state agency Antara at least 25 thousand people are seriously affected by the eruption, and are in danger of being put out of work and a livelihood.


Volcano Erupts in Southern Japan, Smoke Seen 5,000 Feet Above the Crater

Heavy clouds of smoke spewing from the Shinmoedake volcano on Mount Kirishima prompted the Japan Meteorological Agency to raise the volcanic alert level to a 3, warning people to clear the area within a mile of the volcano.
Indonesia volcano erupts, spews lava and gas

JAKARTA, Indonesia (AP) - One of Indonesia's most active volcanos has erupted, sending lava and searing gas clouds tumbling down its slopes.

Volcanology official Agus Budianto said Friday that authorities were still trying to evacuate residents living along the slopes of Mount Karangetang.

There were no immediate reports of injuries or serious damage.

The 5,853-foot (1,784-meter) mountain is located on Siau, part of the Sulawesi island chain. It last erupted in August, killing four people.

Indonesia, the world's largest archipelago, is located on the so-called Pacific "Ring of Fire," an arc of volcanos and fault lines encircling the Pacific Basin.

The eruption happened hours after a massive earthquake in Japan that triggered a Pacific-wide tsunami.


Tungurahua, Ecuador Volcano, Sends 300 Fleeing From Truck-Sized Rocks

QUITO, Ecuador — Ecuador's Tungurahua volcano hurled truck-sized pyroclastic boulders more than a mile Friday in a powerful eruption that prompted at least 300 people to flee their homes, authorities said.
Schools were closed for a third straight day as ash showered down on a dozen towns in the sparsely populated area surrounding the 16,480-foot (5,023-meter) volcano.
Thundering explosions could be heard miles from Tungurahua, which is on the Andes cordillera 84 miles (135 kilometers) southeast of Ecuador's capital, Quito.
A state Geophysics Institute scientist monitoring the volcano from a nearby observation post said by phone that incandescent boulders were landing up to 1.2 miles (2 kilometers) beneath crater level.
"The smallest blocks are that size of an automobile while the biggest reach the size of a truck, which cause impact craters up to 10 meters (33 feet) wide as they hit the flanks," the scientist, Silvana Hidalgo, told The Associated Press.
She called the eruption level "moderate to high."
Civil defense officials reported an intense shower of ash east of the volcano, including in Banos, a tourist destination three miles (five kilometers) away that is popular for its hot springs.
The volcano has been active since 1999. At least four people were killed and thousands evacuated in eruptions in July and August of 2006.


Two Russian Volcanoes Spew Ash

Two of Far East Russia’s most active volcanoes threatened aviation and wildlife during eruptions that spewed ash above the Kamchatka Peninsula.
Ash from Shiveluch soared nearly five miles high near some key trans-Pacific aviation routes.
RIA Novosti reports an eruption of Kizimen volcano brought hazardous conditions to areas inhabited by wild animals, including some endangered species.
The news agency said reindeer were leaving their normal habitat because their usual winter food supply of moss was buried beneath a thick crust of ash-covered snow.
Experts from the Krontosky Nature Reserve told reporters that reindeer numbers may be reduced to less than 1,000 as a result of the eruption.


Iceland Volcano Erupts, White Plume Up To 18,000 Feet Seen: Report
Volcanologist warns of volcano threat
“The events in Japan remind us that you can have a tsunami and earthquake and a nuclear plant there as well and you can have these chain reaction events that are actually quite calamitous and they are not unimaginable,” said the Cambridge University reader.

Examining geological, historical and archeological records, the expert reminded his audience to major natural disasters of the 2010, including the Eyjafjallajokull eruption in Iceland that threatened the world by large-scale clouds of ash.

Oppenheimer also explained that “large earthquakes (category eight or thereabouts) can trigger volcanoes up to 1000km away, and that this year's devastating earthquake off Japan's coast could trigger another volcano in the vicinity.”

“Global warming and melting of the ice caps will also have an effect, because a lot of volcanoes are under the ice which, when you remove that loading, will also statistically be more likely to erupt.” he added.

Oppenheimer warned that if such an eruption was to happen tomorrow, the world would be far more vulnerable with the huge effects, both to people and to the technological world.

The volcano expert also statistically warned that within the next six months there is likely to be an eruption in Japan as a result of the recent catastrophic tsunami and earthquake in the country.


Four at Once: Volcano Quartet Erupts on Kamchatka

Volcanic eruptions are hardly a rarity. It seems that a new one goes off every few weeks or so somewhere in the world. But a string of four volcanoes

That, though, is what has taken place in recent weeks on the Kamchatka Peninsula in Russia's far east. Four different cones and mountains, all within 180 kilometers (110 miles) of each other, have been active simultaneously since late November. Given that volcano experts don't believe that the four volcanoes are being fed from the same magma source, the parallel eruptions would seem to be the geological equivalent of winning the lottery.

And, as a photography team from the Moscow-based Airpano discovered, the phenomenon presented a fantastic opportunity to produce some awe-inspiring images and videos. Indeed, the quartet of lava and ash-spewing peaks are so close to one another -- they lie within 180 kilometers (110 miles) of each other -- that that the film crew recently visited all of them in a single day

That volcanoes erupt in Kamchatka is, of course, hardly news. The peninsula, which has a total land mass that is slightly larger than Germany, is one of the most active parts of the infamous "Ring of Fire," the zone of volcanic and seismic activity that encircles the Pacific Ocean. Three tectonic plates -- the North American Plate, the Okhotsk Plate and the Pacific Plate -- collide beneath Kamchatka, with the peninsula's coastal range boasting 30 active volcanoes.

All four of the volcanoes now erupting have shown significant activity in recent years. Most recently, Tobalchik began spewing lava on Nov. 27 of last year, creating the impressive lava flows visible in the 360 degree video taken by Airpano. Shiveluch, the northernmost of the four, prefers shooting columns of ash high into the air, which it has been doing on a regular basis during the last four years since a magma dome in its crater exploded. Besymjanny awoke with a bang in the 1950s following 1,000 years of dormancy and has been active since then, with huge clouds of ash rising on a regular basis. Finally, the southernmost of the quartet, Kisimen, has been erupting regularly since 2010, and there is concern that it could perform a repeat of the violent explosion which sheered off half of the mountain some 1,300 years ago.



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