Poas (Costa Rica) - Report for 21 June-27 June 2017

OVSICORI-UNA reported low-amplitude tremor with occasional periods of low-amplitude long-period events detected at Pos during 20-25 June.
Plumes of reddish-colored ash, water vapor, and magmatic gases were recorded rising as high as 500 m above two vents during 20-21 June.
Magmatic gases and water vapor plumes rose as high as 1 km above the vents the rest of the period.

Source: Observatorio Vulcanologico y Sismologico de Costa Rica-Universidad Nacional (OVSICORI-UNA)

Fonte/Source: Global Volcanism Program/Smithsonian Institution

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