KVERT reported that during 8-15 February Sheveluch?s lava dome continued to grow, extruding blocks on the N side, and producing hot avalanches and fumarolic plumes.
A thermal anomaly was identified in satellite images daily.
Video and satellite data recorded gas-and-steam plumes with variable ash content rising to 4 km (13,100 ft) a.s.l.
and drifting in multiple directions.
The Aviation Color Code remained at Orange (the second highest level on a four-color scale).
Source: Kamchatkan Volcanic Eruption Response Team (KVERT)