Since we wanted individual flying blocks to remain visible, we could not reduce the image resolution too much. In order to keep file sizes down we had to digitize the movies using quite a slow frame rate of 8 per second. This leads to a slighly jercky movement of objects.
Crater 1, 5. Oct. 1997 about 19:00. Bombs are ejected from two vents! Copyright Sepp Spirig; sketch of the craters.
Crater 1, 5. Oct. 1997 about 20:00. Note the prominent fumarole in front of the eruption! Coypright Sepp Spirig; sketch of the craters
|Video J. Alean, R. Carniel.|