Colombia: orange alert for Galeras Volcano

November 25, 2011 – COLOMBIA – The Galeras volcano in Colombia’s western department of Nariño could erupt within weeks or days, according to authorities. The level of volcanic activity was increased to orange alert Thursday 9PM by the Colombian Geological Service and the Volcanology and Seismology Observatory of Pasto, which are monitoring the activity of Galeras. The institutions stated that in the last 24 hours, tremors have been registered that have similar characteristics to those in the period prior to the majority of eruptions, which occurred between 1992 and 2010. There has been a reduction in the emission of gases, reflected in the low values of sulphur dioxide measured, both coming from craters and fields of volcanic fissures. Some 8,000 people live in the area surrounding the volcano that reawakened in 1988. The Colombian Geological Service will continue to monitor the situation of the Galeras volcano. –Colombia Reports

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