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Monday 27 July 2015

Volcanoes in Japan, Colombia and Chile spew ash – Colombian airport closed



July 2015 – JAPAN – Ōwaku Valley, a part of Mount Hakone with high volcanic activity, has been showing more signs of an impending eruption recently. The smoke which regularly issues from its vents was mingled with ash, turning noticeably gray, for about ten seconds around noon on July 21. On June 30 and July 1, it had also erupted on a very small scale, ejecting material to a distance of over 100 meters (328 feet), which technically meets the qualifications for an “eruption.” (The distance material from the recent eruption was ejected has not yet been measured.) However, tremors associated with volcanic eruptions have not been recorded. According to the Japan Meteorological Agency, “it has the characteristics of an eruption, but that would have an effect on disaster prevention by inciting residents’ anxieties, so the term ‘eruption’ is not appropriate.” – Rocket News 24

Colombian Airport closed: Colombia’s Nevado del Ruiz volcano erupted in an ash cloud on Sunday, prompting authorities to temporarily close two airports in the area. The civil aeronautics agency said it closed airports at Manizales and Pereira as a precaution after the 8:30 am (1330 GMT) eruption. This resulted in the cancellation of at least 16 flights on Sunday. A major eruption of the Nevado del Ruiz in 1985 melted the volcano’s snowcap, unleashing mudslides that wiped out the town of Armero, killing an estimated 23,000 people. The volcano, which has been active for an estimated 150,000 years, is 220 kilometers (137 miles) west of Bogota. - Yahoo News

Chile: The Cabulco volcano in southern Chile has erupted twice in the last 24 hours after being dormant for decades. And there may be more action on the way. CBSN’s Anne-Marie Green and David Begnaud discuss what geologists are monitoring.Yahoo News



 

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