Mount Ibu, Indonesia erupts

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In 2024, Mt. Ibu has erupted, joining other Indonesian volcanoes like Ruang, Merapi, and Semaru in a series of volcanic activities. The eruption has resulted in the emission of hot ash and sand. There is speculation that the recent high rainfall in the region may be linked to these eruptions, as increased water levels can alter underground pressures and potentially access hotter geological formations. This phenomenon raises concerns about mudslides and the stability of volcanic structures. Additionally, there are historical references to local interventions in volcanic areas, such as the Canary Islands, where the construction of water access tunnels has been suggested to alleviate hydraulic pressure and prevent catastrophic flank failures.
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Ibu means "mother." Your thumb is your "ibu jari", your mother finger.
 
Is this spate of eruptions associated with area's recent very-high rainfall ??
Beyond mud-slides destabilising / relieving edifice flanks, underground pressures must rise as the water-table alters, perhaps accessing 'hotter rocks' than the 'usual' circulation manages....

In 'level' ground, you'd get maar formation but a tall cone has more failure modes...

Tangential, I read some-where that the progressive 'great crack' thought to be driving a potential mega-slump / flank-failure on Cumbre_V, that Canary Island volcano, was serendipitously thwarted by locals. Historically, they dug multiple adits into flank to reach water table and supply cultivation. These galleries would also mitigate / relieve hydraulic pressure increases or steam generation per geysers....
 

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