Mount Merapi belches searing clouds thrice on Friday: BPPTKG 5 hours ago Mount Merapi emitted hot clouds on Friday morning (04/2/2021). (ANTARA/HO/twitter BPPTKG) Yogyakarta (ANTARA) - Mount Merapi, straddling Yogyakarta and Central Java, emitted hot clouds as far as 1.5 kilometers to the southwest direction on Friday morning. Head of the Geological Disaster Technology Research and Development Center (BPPTKG) Hanik Humaida noted in her official statement here on Friday that during the first observation, the hot clouds billowed at 4:13 a.m. and 4:28 a.m. local time as far as 900 meters to the southwest. "It was recorded on the seismogram, with a maximum amplitude of 15 mm and a maximum duration of 84 seconds," she remarked.