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Turrialba Volcano (Costa Rica): new eruption on January 12, 2012Saturday Jan 14, 2012 10:44 AM | Age: 134 days
BY: TP The Observatory Simológico Volcano of Costa Rica (OVSICORI-UNA) confirmed that a new ash eruption occurred at Turrialba volcano in the afternoon around 15h20 on 12 Jan. The eruption was first noticed by park rangers and local residents. During the previous day, numerous rumblings could be heard from the mountain. According to OVSICORI-UNA, the eruption started between 3:10 and 3:20 pm and produced an ash plume from a vent on the southeast flank of the main crater in an area known as "La Quemada". The ash reached a height of approx. 500 m above the crater rim, and was transported to the N-NW Direction by prevailing winds at an altitude at around 4 km. The rash is maintained until 6:14 pm the same day with a strong emission of ash and gases. From the Central Valley, observers could see 2 plumes: one while, rich in steam from the crater that had formed during the phreatic eruption on 5 Jan 2010, and a dark ash rich plume from the current eruption site at La Quemada. The eruption triggered the closure of the National Park and a "yellow" alert for the areas of Turrialba, Jiménez and Alvarado.
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