Warning of an eruption in Colombia Danger Zone
Over the last 2 years there have been about 10 eruptions Galeras in Colombia, which was accompanied by the evacuation of thousands of residents. Colombian Institute for monitoring volcanoes raised the level of anxiety due to possible volcanic eruption.
The basis for this are the low-frequency seismic events, known as the event "Tornillo", which are the precursors of volcanic activity Galeras. Number of events "Tornillo" also indicate the volume of the eruption. Such phenomena have been observed in the area of the volcano, and in 80% of cases followed by an eruption.