Arenal volcano (Costa Rica) activity update

Thu, 12 Sep 2013, 08:14
08:14 AM | BY: T
OVSICORI-UNA reported that plumes composed mainly of water vapor rose from the NE and SE edges of Arenal's Crater C on 8 and 9 September. Tremors indicative of hydrothermal and magmatic activity were detected on 8 September.
The report noted that seismic and fumarolic activity had been very low in the past three years; however steam plumes associated with heavy rains had been frequent. (Smithsonian/USGS Weekly Volcanic Activity Report)

Previous news

Wed, 11 Sep 2013, 06:00
OVSICORI-UNA conducted an overflight of Arenal on 14 September to measure gas emissions, and found low concentrations of carbon dioxide, water, and hydrogen sulfide. An infrared camera detected a ring of thermal anomalies along the rim of Crater C. ... Read all
Wed, 4 Sep 2013, 06:00
OVSICORI-UNA reported that plumes composed mainly of water vapor rose from the NE and SE edges of Arenal's Crater C on 8 and 9 September. Tremors indicative of hydrothermal and magmatic activity were detected on 8 September. The report noted that seismic and fumarolic activity had been very low in the past three years; however steam plumes associated with heavy rains had been frequent. ... Read all
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