Poas (Costa Rica) weekly volcanic activity report 25 September-1 October 2019
Thu, 3 Oct 2019, 10:03 | BY: MARTIN
Phreatic eruption at Poás on 30 Sep 2019 (image: OVSICORI_UNA webcam)
At 05:40 local time on 30 September a five-minute-long phreatic eruption ejected sediment, and produced a plume that rose 2 km above the crater rim and drifted SW. Ashfall and a sulfur odor was reported in Trojas de Sarchi and Grecia. Officials closed the PNVP because of the eruption and ongoing elevated seismicity; the park remained closed the next day.
Source: Smithsonian / USGS Weekly Volcanic Activity Report 25 September-1 October 2019
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Previous news
Wed, 25 Sep 2019, 06:00
Poas volcano (Costa Rica) - Smithsonian / USGS Weekly Volcanic Activity Report for 25 September-1 October 2019 (New Activity / Unrest)
OVSICORI-UNA reported that during 16-26 September sulfur dioxide emissions from Poás drifted W and NE, causing a sulfur odor in Alajuela, Heredia, San José, and Cartago. Acidic rain was recorded at the official's house in the Poás Volcano National Park (PNVP) on 23 September and at Universidad Nacional Costa Rica (UNA) in Heredia on 26 September. At 0540 on 30 September a five-minute-long phreatic eruption ejected sediment, and produced a plume that rose 2 km above the crater rim and drifted SW. ... Read all
Wed, 18 Sep 2019, 06:00
Poas volcano (Costa Rica) - Smithsonian / USGS Weekly Volcanic Activity Report for 18 September-24 September 2019 (Continuing Activity)
OVSICORI-UNA reported that at 2059 on 22 September an eruptive event at Poás generated a plume that rose 3 km above the crater rim and drifted NE. During 22-23 September eruption plumes rose 1 km. ... Read all
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