Re: [Geology2] Galeras volcano - South-America - Colombia

Sweet!

On Sat, Nov 26, 2011 at 11:04 PM, Victor Healey <vic.nospam@gmail.com> wrote:

Friday, January 18th, 2008

9 km from Pasto, the provincial capital of Narino

Begin forwarded message:

Thursday

The Galeras volcano in Colombia's western department of Nariño could erupt within weeks or days. 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.

Friday

Colombia's National Geological System (SGN) on Friday has raised the alert level for the Galeras volcano located in the southern province of Narino after several quakes. The SGN also has ordered the evacuation of residents living in the vicinity of the slopes of the 4,276-meter high volcano, which sits close to the Colombian border with Ecuador, saying the series of quakes reported during the last 24 hours could be an indicator of an eruption. SGN Director Martha Calvache said that SGN had raised the alert to level 2, which means that an eruption could happen in the next 48 hours. In Aug 2010, the volcano erupted and spewed gases, ashes and rocks through a series of explosions. The Galeras, which is just 9 km from Pasto, the provincial capital of Narino, has been active for years. It turned deadly in January 1993 when a group of geologists who were inspecting one of the craters were all killed by a sudden eruption.

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