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Volcano update December 8, see pg 33
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Saturday, May 03, 2008 Chaitén Volcano Eruption, Chile - John Seach An overflight of Chaitén volcano this morning showed a dense column of white to grey emissions reaching a height of 20 km, and drifting SSE with the prevailing winds. The geoloogical record of Chaitén volcano shows a history of pyroclastic flows and ashfall. This explosive character of the volcano suggests that ashfall may reach a considerable distance from the volcano. Pyroclastic flows are possible, and are associated with dome collapse. The volcano is not covered with ice and there is no immediate danger from lahars.
Chaitén volcano in southern Chile erupted yesterday for the first time in over 9000 years. The volcano is located 10 km NE of the town of Chaitén on the Gulf of Corcovado. The government evacuated as many as 1,500 people from nearby villages and the town of Chaiten when the volcano erupted ash, and more than 60 earthquakes were recorded. Officials distributed fresh water and more than 10,000 protective masks. Winds also carried ash over the Andes to Argentina, where school was suspended in the popular Patagonian tourist towns of Esquel and Trevelin. Authorities there also declared a state of alert on major highways as falling ash reduced visibility, and hospitals reported an patients complaining of eye irritation. Trucks with drinking water were being sent to the area after ash affected water supplies, local authorities said. School classes were suspended in some areas.
Friday, May 02, 2008 Ruapehu Volcano, New Zealand - Ruapehu Volcano in New Zealand is showing signs of increasing activity. The Department of Conservation issued a warning to climbers of an increased chance of eruption from the crater lake. Risks to people entering the Summit Hazard Zone within 2km of Crater Lake are assessed to be higher than normal, due to an increase in gas emission. The alert level remains at Level One.
Bobrof Volcano, Alaska - A large earthquake (magnitude 6.6) occurred 8 km west of Bobrof Volcano in Alaska on Thursday 1st May 2008 at 04:33 PM local time. The earthquake focus was 10 km depth. There have been no recent eruptions at Bobrof Volcano.
[link to volcanolive.blogspot.com]
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