In the last 24 hours, the activity of Turrialba has remained stable; ash emissions have continued, with pulses amount to about 1,000 meters above the crater.
The low wind speed has to divide the ashes in all directions, with falls of ashes marked west of the volcano : Cartago, Tres Rios, Coronado ...
In Peru, ash emissions continue at Sabancaya.
The OVI's report indicates a significant release yesterday at 13 : 20 with an plume amount 2,400 meters above the crater, spreading out in a 5 km radius.
Since 3 November, Klyuchevskoy's activity is declining: the lava flows are no longer observed; only a small summit glow remains visible.
The temperature of the thermal anomaly was reduced from 04.11. Strong degassing persists however, and the aviation code is Yellow.
Sources: Volkstat & KVERT
Since 20 October, researchers from the Japanese Ministry of Environment have set foot on Nishinoshima, where they carry out analysis and sampling of rocks, plants and insects; they were also able to observe the colonization of the volcanic island by masked boobies and nesting evidence.
Different devices of seismic measures were implemented.
Source: Japan Times