Galeras, in Colombia, appears to have entered a new cycle of activity as it has erupted for the second time in a week. A large explosion occurred this morning that was accompanied by falling ash and rocks (ballistic bombs) from the event. It is unclear how far the volcanic products travelled from the vent, but Colombian officials did raise the alert level back to red and ordered new evacuations.
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There isn't really much information in this report, but Galeras in Colombia has been put on "high alert" for a potential eruption. The volcano did emit a ~2,400 meter steam (and ash?) column today, but beyond this, it is unclear what else might be happening at the volcano.
Galeras is the most…
UPDATE 2/15/2009 20:30 PM: Marta Calvache of INGEOMINAS says that seismicity has all but stopped at Galeras after the eruption Saturday night, however the area will be kept on alert for more potential activity. However, even with the eruption, apparently there are very few people in the evacuation…
Today was a doubleheader for volcanic eruptions in the news:
Today's explosive eruption from Mt. Etna. Image courtesy of the INGV.
As I briefly mentioned earlier, Galeras in Colombia had an "atypical" eruption - apparently meaning it was non-explosive - that has prompted evacuations and a change…
All the news to start the week:
Galeras with a grey ash-and-steam plume behind Pasto, Colombia.
Well, after my article on Friday about Colombian volcanoes, Galeras must have decided it was left out. The volcano has been placed back at alert level Orange/II (eruption in days to weeks). An increase…
Galeras sure seems to have a pattern of erupting with minimal warning; the most famous example being the eruption that killed several members of a geological tour group.