Merapi volcano (Central Java, Indonesia): growing lava dome and glowing rockfalls Jan 2019

Expedition leader Galih observed Merapi on 10 Jan and documented the growing lava dome, which is becoming increasingly dangerous, as glowing rockfalls have becoming larger and more frequently, prone to produce pyroclastic flows.
Photos were taken from the south east side of Merapi in around 4 km distance from the crater.
The lava dome inside the summit crater of Merapi. (Photo: Galih Jati)
The lava dome inside the summit crater of Merapi. (Photo: Galih Jati) [info]
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As pieces from the outer margin of the growing dome break off, they generate glowing avalanches. (Photo: Galih Jati)
As pieces from the outer margin of the growing dome break off, they generate glowing avalanches. (Ph... [info]
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Glowing lava avalanche from Merapi's dome. (Photo: Galih Jati)
Glowing lava avalanche from Merapi's dome. (Photo: Galih Jati) [info]
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These avalanches reach already several hundred meters length. (Photo: Galih Jati)
These avalanches reach already several hundred meters length. (Photo: Galih Jati) [info]
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Smaller rockfalls with traces of glowing material sliding down the steep flanks of the dome. (Photo: Galih Jati)
Smaller rockfalls with traces of glowing material sliding down the steep flanks of the dome. (Photo:... [info]
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Another larger glowing rockfall. (Photo: Galih Jati)
Another larger glowing rockfall. (Photo: Galih Jati) [info]
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Glowing rockfall without moonlight. (Photo: Galih Jati)
Glowing rockfall without moonlight. (Photo: Galih Jati) [info]
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Wide-angle view of another rockfall from the lava dome. (Photo: Galih Jati)
Wide-angle view of another rockfall from the lava dome. (Photo: Galih Jati) [info]
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