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Study: Volcanoes can trigger bigger climate impact
Volcanic eruptions might affect earth’s climate by releasing far more weather-altering particles than scientists have suspected previously, a new study has found.
A team of researchers, who wanted to find out the influence of volcanoes on global climate, investigated the huge eruption of the Eyjafjallajokull volcano in Iceland on March 20, 2010.
From a research station in France, they monitored the volcano’s eruption, which rapidly ejected large ash particles into the atmosphere and spread all over Europe. They then analysed how many secondary particles this ash generated upon reacting chemically with Read more…
Ash Cloud Spreads From Erupting Nabro Volcano In Eritrea
The Anabro (Nabro) volcano in the Northern Red Sea Region of Eritrea has erupted sending an ash plume more than 13.5 kilometres into the sky and disrupting air traffic across eastern Africa.
Part of the Afar Triangle, the stratovolcano is one of many volcanic caldera complexes in the north easternmost part of the East African Rift valley region. Nabro is located in the Danakil Depression, close to Eritrea’s border with Ethiopia and north of Djibouti, and has not erupted in at least 150 years. It is the most prominent of 3 large volcanoes (Nabro, Dubbi, Mallahle) in the region, each containing a large summit caldera.
The volcano erupted at 2103 GMT Sunday evening. The Volcanic Ash Advisory Center (VAAC) said Monday that the 5,331 ft volcano has resulted in a large ash plume of up to 13.5 kilometres (8 miles) high. The scale of the eruption, compared to the ongoing eruption in Chile and 2010′s eruption at Eyjafjallajökull in Read more…
Flights out of Scotland cancelled as ash cloud from Iceland volcano ‘will drift over UK within hours’
A Scottish airline has cancelled 36 flights tomorrow as the ash cloud billowing from a volanco in Iceland approaches UK airspace.
Regional carrier Loganair, which flies out of Glasgow, announced that there would be no flights following a Civil Aviation Authority warning that disruption could not be ruled out.
The Met Office is predicting the plume of ash from the Grimsvotn volcano will begin to drift over parts of Scotland in the next few hours and would cover all of Ireland, Scotland and parts of northern Britain by 6am tomorrow.
Asked whether this would cause some disruption to flights, a CAA spokesman said: ‘That’s the way it’s looking certainly at the moment.’
William Hague, however, has said he does not predict the volcano will not cause the chaos seen a year ago. The Foreign Secretary has said that Britain has more information on how ash clouds move and is less likely to have to enforce a blanket flight ban.
Last April airports across the UK were shut down for five days. With school half-term holidays next week any disruption to UK airports would cause chaos for hundreds of thousands of families.
Icelandic volcano ‘set to erupt’
Geologists detected the high risk of a new eruption after evaluating an increased swarm of earthquakes around the island’s second largest volcano.
Pall Einarsson, a professor of geophysics at the University of Iceland, says the area around Bárdarbunga is showing signs of increased activity, which provides “good reason to worry”.
He told the country’s national TV station that a low number of seismometer measuring devices in the area is making it more difficult to determine the scale and likely outcome of the current shifts.
But he said there was “every reason to worry” as the sustained earthquake tremors to the north east of the remote volcano range are the strongest recorded in recent times and there was “no doubt” the lava was rising.
The geologist complained that the Read more…
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