Seismic activity increased at Nevado del Huila volcano in Colombia in October 2008. During the week of 1-7 October 2008 there were 1405 seismic events. Of these, 273 are related to fracturing of rocks, 1199 with the fluid dynamics within the volcanic conduits, 22 hybrids and 11 pulses of low-magnitude tremor. The seismic activity indicates movement of magma towards the surface. Sulphur dioxide emissions reached a rate of 10,590 tons/day on 2nd October 2008. The volcano is at alert level YELLOW.
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About John Seach
- John Seach
- John Seach is a scientist and the world's leading volcano adventurer. Over the past 24 years John has traveled to the world's most exciting volcanoes, and witnessed eruptions during trips to more than 200 volcanoes. John's work has been featured on award winning television programmes. John is the founder of "Volcano Live", the world's first volcano news and volcano travel website.