Turrialba volcano (Costa Rica) update: Seismicity remains stable

OVSICORI-UNA reported that at 1259 on 6 February a small phreatic eruption at Turrialba's Cráter Oeste produced an ash plume that rose 100 m above the crater rim. A thermal anomaly from the floor of Cráter Oeste was identified in satellite images on 4 February. The anomaly was last seen in the same location on 25 January, and twice in 2021, during clear weather conditions; the location of the anomaly was the same in those images since March 2021, and likely represented a hot crack venting on the crater floor. ... Read all

A small and short-lived (0.5 min) phreatic eruption occurred at the volcano at 12:59 local time today. ... Read all