The explosive double eruption of Calbuco Volcano in Chile late yesterday afternoon and last night, combined with mostly clear skies, allowed some spectacular photos and videos, even from a drone.

Here’s one of the prettiest photos of the first eruption, which occurred before sunset:

The two mature eruption plumes as seen by the GOES weather satellite show plume top temperatures so cold that the stratosphere was surely penetrated, a necessary (but not sufficient) condition for effects on global climate (arrows indiate volcano location, satellite imagery courtesy of CIRA at ColoState):

From low Earth orbit, this was how the area around the snow-capped volcano looked just hours before the eruption yesterday from NASA’s Terra satellite, and then again this morning. Note the large region where the snow-capped mountains and the valleys are covered in volcanic ash: