News of Santiaguito, Nevados de Chillan and Sinabung.

The Santiaguito presented on Feb. 01 explosions accompanied by gray plumes amount to 3,300 meters asl, before moving towards E and SE. Between explosions, a white degassing (water vapor and other gases) is continuous at the dome.
Some avalanches mark a lava flow on the east flank, according to the bulletin of the Insivumeh

Source: Guatemala Insivumeh & Conred

The activity of Nevados de Chillan seems intensified since the weekend.

Explosions accompanied by plumes more or less loaded in ash mark the new craters and the crater Arrau. It would be interesting to have information on the presence or absence of fresh magma, and whether these are only phreatic explosions.

Source: SERNAGEOMIN
 

The Sinabung had early this morning a beautiful phase of strombolian activity, characterized by a fountain of lava amount to a few hundred meters above the summit.
At midday, moderate pyroclastic flows were observed.