#Agung experienced inflation before the phreatic eruption of November 21, 2017 and inflation is also still recorded by a tiltmeter installed 4 km from the peak of Agung in the South. This indicates sufficiently strong pressure towards the surface.
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1/n * Monitoring Data Analysis *
-Visual-
After undergoing a volcanic earthquake swarm over the period Sept-Oct 2017, finally on 21 November 2017 at 17:05 WITA the phase of eruption of Mount Agung evolved to produce volcanic ash as high as 700 m above the peak.
2/n After the eruption, the next eruption occurred again on November 25, 2017 at 17:20 WITA with an ash plume height of 1500 m above the peak. On 26 and 27 November 2017 eruptions occurred with the ash column height reaching 3000 m above the peak.
Incandescence from lava is visible in the crater at night. Tremor is continuous. Alert level remains at IV, the highest level.
PVMBG continues to record increasing volcanic activity. The potential for a larger eruption is increasing.
However, the intensity and timing cannot be predicted with certainty. Estimating the future character of the eruption of Agung tends to be more difficult than other volcanoes due to the absence of instrumental data from previous eruptions for comparison.