The most active volcanoes - Colombia

The volcano is active and the yellow alert. (Changes in the behavior of the volcano): Cerro Machin volcano capped Huila and Galeras and Ruiz.

Cerro Machin in Tolima to be intimate with him from the earthquakes that have occurred since December 31, 2010 report, there are about 367 INGEOMINAS Volcano - tectonic event of magnitude lower in the south and southwest. The main dome.

The largest event occurred at 17:22 in January 2011 with 2.3 on the Richter scale at a depth of 31.3 km and was felt by residents near the volcano and the city of Cajamarca (Tolima).

Geologists Arcila INGEOMINAS Monica, said yesterday at the Cerro Machin and remained unchanged at yellow alert. Similarly, noted that this type of seismic activity is common in the last two years of volcanic activity, so people should not worry.

Arcila change the rules, for example, Machin Orange II, which means an eruption is likely within days or weeks. The Galeras volcano, and may occur with the volcano Nevado del Huila, and Ruiz, the appearance may change during the night.

In recent weeks 22 to 28 December, 2010, the Nevado del Huila volcano quake occurred at 72 363 and 291 are related to rock fracture and fluid dynamics in volcanic conduits.

Nevado del Ruiz volcano, the eruption of a volcano in the middle and high seismicity of the Galeras volcano in the week (22 to December 28, 2010) is related to the fracture of solid materials on the volcano. Both are stable and no significant changes in their behavior.