The aviation alert is reddened at Bogoslof, following the explosions of December 26 at 14:05 AKST / 23:05 UTC.
The images of the Himawari-8 satellite show two explosions that follow each other about an hour: the first explosion was accompanied by a plume rising to about 10,000 meters, depending on the temperature at the top; The second plume was less important. The ashes were scattered under a wind blowing from the west - southwest.
Bogoslof ash clouds forecasts - This model shows an ash cloud in the atmosphere for actual or hypothetical eruptions.
The Colima experienced several explosions on December 27, accompanied by plumes rising between 1,000 and 3,000 meters above the summit (2h07:> 2km, 6h21:> 1km, 11h09:> 2km, 13h36:> 2km, 14h58: > 3 km; ... 23h39:> 2.5 km)
In Guatemala, on December 27, the Santiaguito presented three small explosions, with a plume of gray ash rising to 3,000 meters asl., then dispersing to the southwest. Between these explosions, a constant white degassing is recorded.
The weekend of Christmas has occulted the last series of explosions at Sabancaya on December 26 at 8:24 local. The plume of ashes and gases rose to about 3,500 meters.
OVI-Ingemmet did not issue a special report.
Some pictures of the activity of Sinabung, illustrating the different possible phases: growth of the dome, fall of blocks, explosion with expulsion of incandescent materials, glowing of the dome, pyroclastic flow.
Source Endro Lewa