Merapi (Indonesia) - Report for 7 April-13 April 2021

BPPTKG reported that the lava dome just below Merapi?s SW rim and the lava dome in the summit crater both continued to grow during 1-8 April.
The SW rim lava-dome volume was an estimated 1,098,000 cubic meters on 7 April, with a growth rate of about 12,800 cubic meters per day, and continued to shed material down the flank.
A total of 13 pyroclastic flows traveled a maximum of 1.5 km down the SW flank.
Incandescent avalanches, recorded 119 times, traveled as far as 1.1 km down the SW flank.
The summit lava dome had grown to 75 m tall.
Minor ashfall was reported in Ngipiksari (8 km SSW), Klangon (4 km S), and Deles (3 km SE) on 3 April.
The Alert Level remained at 3 (on a scale of 1-4), and the public was warned to stay 5 km away from the summit.

Source: Balai Penyelidikan dan Pengembangan Teknologi Kebencanaan Geologi (BPPTKG)

Fonte/Source: Global Volcanism Program/Smithsonian Institution


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