BPPTKG reported no significant morphological changes at Merapi?s summit lava dome during 6-12 May, though the height of the dome below the SW rim had increased by around 2 m.
As many as 92 lava avalanches traveled a maximum of 2 km, mostly down the Bebeng drainage on the SW flank.
Two pyroclastic flows traveled 2 km down the Bebeng drainage.
Seismicity remained high.
The Alert Level remained at 3 (on a scale of 1-4), and the public was warned to stay 3-7 km away from the summit based on location.
Source: Balai Penyelidikan dan Pengembangan Teknologi Kebencanaan Geologi (BPPTKG)
Awu (Indonesia)
