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Freitag, Dez 30, 2005
Stromboli continues to be very active. Loud eruption noises are frequently audible all over the island. On a visit by VolcanoDiscovery team members Karen and Tom on the afternoon of 30 Dec. 2005 the following activity was observed:
Donnerstag, Dez 29, 2005
Soputan volcano had a small phreatic eruption on 26 December around 12h30 local time, probably caused by heavy rainfall onto the hot lava dome. On 27 December at 0400, a Strombolian eruption began that lasted ~50 minutes. Incandescent volcanic material was ejected ~35 m, and avalanches of volcanic material traveled as far as 750 m E. Around 06h40 the avalanches became larger, as pyroclastic avalanches occurred from the edge of the lava. The avalanches extended 200 m E, and booming noises were heard as far as 5 km from the summit. The Darwin VAAC reported that an ash plume reached a height of ~5.8 km (~19,000 ft) a.s.l. and drifted SE....mehr
Lava fountains and flows from the eruptive fissure near Le Nez coupé de Sainte-Rose in the upper parts of the Grandes Pentes of Piton de la Fournaise volcano. Photos from the website of "Le Journal de l´Isle" (www.clicanoo.com).
Piton de la Fournaise erupted again on 26 December, with a first fissure opening at the base of the summit cone, and a second one just below the slope break of the Grandes Paintes (the steeper slope of the caldera towards the ocean), between 1500 and 1600 m elevation. Lava fountains are emerging from the eruptive fissure and several lava flows are travelling down the slope in direction to the ocean, having reached around 2 km away from the ocean as of Dec. 29.[alles lesen]
Montag, Dez 26, 2005
Popo sends his Christmas greetings with a moderate explosion that produced an ash column of about 2 km height and showering the volcano's top with incandescent fragments early in the morning of Christmas Day (Dec. 25, 2005).
Freitag, Dez 23, 2005
Das Jahr 2005 nähert sich seinem Ende und die Festtage laden zum Verweilen und Besinnen auf die wichtigen Dinge im Leben ein. Wir, das VolcanoDiscovery Team, wünschen Ihnen allen eine friedliche Zukunft ohne Kriege und Tsunamis. Frohe Weihnachten!
Eruptive activity at Manaro volcano continues, but has decreased significantly over the past week. Scientists are monitoring the eruption, hoping that it will soon be possible to lower the alert level and permit some 3000 residents that had been evacuated to return to their homes.
Dienstag, Dez 13, 2005
Steam and ash erupting from a vent in Lake Vui on Mount Manaro volcano, on the Vanuatu island of Ambae Monday, Dec 12, 2005. (AP Photo/Morris Harrison)
The eruption at Manaro volcano continues at low levels with mainly phreatic activity. A cone is building up inside the lake forming a small island inside the lake. There are two active vents, one of which ejects water, rocks and mud and the other is producing a tall column of steam and gas (up to 8-10,000 feet). A group of New Zealandean volcanologists has recently visited the volcano and sent the following more detailed reports:...mehr [alles lesen]
Montag, Dez 12, 2005
Karthala volcano's second eruption in 2005 ended after 14 days on 8 Dec. 2005 as the Karthala volcano observatory communicated. In its initial phase, the eruption had been driven by phreatomagmatic phase, ejecting large blocks up to 400 m around the crater and producing a lot of ash that cuased severe problems in the south-east and south-west of the island, and particularly in the capital Moroni....mehr
Donnerstag, Dez 08, 2005
The eruption at Mt. Manaro volcano on Vanuatu's island of Ambae, that had started on 27th of Nov. 2005, is continuing at low or decreasing levels (although drawing a lot of media attention, probably because little other significant volcanic events are occurring at the time). Ash and steam plume rose to a maximum of about 3 km (10,000 ft) height into the air as observed on Thursday 7 Dec. According to the optinion of monitoring volcanologists there are no indications at present that the eruption might escalate.
Freitag, Dez 02, 2005
The third eruption this year, on the 29th of Nov., was one of the shortest one during the past years: lasting only 14hrs, from 6h25 local time, it was already declared ended at 20h15! Because of bad weather conditions, a proper reconnaissance and surveillance of the area has not yet been possible.
Popocatepetl volcano had a moderate eruption Thursday morning, producing an ash plume about 5 km heigh.
Mittwoch, Nov 30, 2005
The new eruption of Piton de la Fournaise from a fissure inside Domolmieu crater. (Photo: Patrick Devidal, published on Réunion's leading newspaper "Le Journal de l'île de la Réunion" - www.clicanoo.com)
Piton de la Fournaise volcano, La Réunion Island, erupted again for the third time this year. Here the original report from the volcano observatory:
Freitag, Nov 25, 2005
Karymski is getting more and more restless. Steam and ash eruptions with plume heights of up to 3,300m above the crater continue, while an increase in seismic activity is being recorded: according to news reports, a swarm of 130 tremors occurred under or near Karymsky volcano today and there are strong thermal anomalies as well. An escalation of the current eruption cannot be excluded to occur any time now.
Karthala volcano on Comoros Island erupted for the second time this year on Thursday 24th of November. Ther eruption was probably phreatic and caused by vaporization of ground water in contact with a shallow magma body underneath the crater. Substantial ash falls caused problems in the nearby capital Moroni, where authorities ordered water tankers into the streets to wash away the thick blankets of white ash from the eruption.
Galeras volcano started erupting on the morning of Thanksgiving Day (Thursday 24th of Nov. 2005) with a moderate (phreatic?) ash eruption that lasted 30 minutes and produced heavy ash falls on the city of Pasto, about 18 km (12 miles) away. There were no seismic precursors according to Colombia's Volcanology Institute.
Freitag, Nov 18, 2005
Galeras volcano, 330 miles (ca. 500 km) southwest of Bogota, is emitting dense plumes of steam and producing characteristic volcanic tremors (so-called tornillos), making an impending eruption likely. 9000 people have been ordered to evacuate their homes, many of them refusing to leave.
Donnerstag, Nov 17, 2005
During 11-14 November, three lava flows were emitted from Fuego. On the 14th, two of the lava flows traveled from the S edge of the central crater 150 m toward the Ceniza ravine, and 400 m toward the Taniluyá ravine, and the third traveled 600 m W toward the Santa Teresa ravine. Avalanches of volcanic material spalled from the fronts of the lava flows....mehr
Mittwoch, Nov 16, 2005
On 15 of Nov., Colombian authorities on Tuesday began evacuating 7,500 people living on the slopes of a volcano in southwest Colombia over concerns it is about to erupt. Although the warning remains at Level 2, Roberto Torres, a geologist at Colombia's Geology and Mines Institute. said government officials ordered the evacuation as a precaution.
Dienstag, Nov 15, 2005
Weak spattering from a glowing vent in the central crater of Stromboli (15 Nov. 2005), photo by Sebastian Laiblin.
Activity is medium-low at Stromboli volcano....mehr [alles lesen]
Montag, Nov 14, 2005
As our correspondant Rosario from Etna volcano reports, there is deep-seated explosive activity audible from within the W vent of Bocca Nuova and the NE crater. The other vents are more or less blocked. Resuming of visible eruptive activity could happen at any time.
Lava stopped flowing at Sierra Negre volcano on the evening of 30th of Oct. 2005.
Donnerstag, Nov 10, 2005
Arenal volcano is getting more active again. After growing lava flows on the volcano's southwestern flank during the previous months, moderate explosive activity started on 2 November at 14h54 local time. A pyroclastic flow was generated at 15h02 lasting for about 10 minutes and travelling down the volcano's western flank. An associated ash plume drifted southeast.
Mittwoch, Nov 09, 2005
According to local newspapers, the eruption of Barren Island continues or has resumed. A lava flow is reported to have reached the sea.
Mittwoch, Nov 02, 2005
Weak strombolian activity at Fuego volcano is continuing. Typical explosions, often accompanied by shock waves, are occuring at intervals of 2-15 minutes, creating ash plumes rising 100-200 m above the crater. Two lava flows continue to descend slowly towards the Taniluya and Cenizas canyons over some 100s of meters on the south-east flank of the summit cone.
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