YouTube's Citizentube has a playlist of user submitted videos showing the dramatic volcanic eruptions of September 8, 2012, in Nicaragua. The San Cristobal volcano , the tallest in this Central American country, erupted at 9:02 am on Saturday, releasing steam and ash and causing authorities to evacuate more than 3000 people from Chinandega.
This video  shows the ash column rising while those recording wonder about protocols, if they should be evacuating the area:
In this next one , the ash column is also seen growing in the neighboring town of Chichigalpa:
In the following one , in minute 1:09 a new burst of steam and ash erupt from the volcano, causing the person recording the video to comment that he had never seen the volcano erupt with such strength: