Semeru volcano, East Java 15-17 December 2023. As seen from the Tengger Caldera.

Published: 17 December 2023

Activity of the Volcano:

Semeru volcano was seen to be erupting grey ash plumes every 30min or so during the time of observation.

Important Note:

Semeru volcano is at Alert Level 3 (Siaga) as of today 17 December 2023.


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(1) Semeru erupting a ash plume in the background. Bromo in the Tengger Caldera in the forground.