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Poas volcano (Costa Rica) activity update: geyser activity from the 2011 lava domeWednesday Jan 04, 2012 01:01 AM | Age: 144 days
BY: T Fieldwork at Poás on 16 December showed new geyser activity from a vent on the N flank of the lava dome that formed in 2011. A water-and-mud fountain rose 5-6 m high, flowed into the lake, and built a terrace along the S shore. Gas-and-steam plumes rose from the lava dome. (Smithsonian / USGS Weekly Volcanic Activity Report 28 December-3 January 2012)
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