Krakatau volcano (Sunda Strait, Indonesia): weekly volcanic activity report 25-31 Dec 2019
Fr, 3. Jan 2020, 10:1010:10 AM | VON: MARTIN
On 29 December PVMBG recorded an ash plume that rose 656 ft (200 m) above the summit and drifted N.
Strombolian eruption at Krakatau volcano (image: PVMBG)
On 30 December satellite images suggested that the crater lake was almost gone, replaced by tephra deposits and a growing cone.
PVMBG noted that during 30-31 December seismicity increased, minor inflation was recorded. An ash plumes reached 9,185 ft (2,800 m) altitude.
On 31 December at 06:51 local time surveillance cameras observed dense gray-to-black ash plume that rose around 1 km above the summit and drifted S.
The Alert Level remained at 2 (on a scale of 1-4), and the public was warned to remain outside of the 2-km-radius hazard zone from the crater.
Source: Smithsonian / USGS Weekly Volcanic Activity Report 25-31 Dec 2019
Do, 2. Jan 2020, 03:45