Authorities ask residents to leave prone areas as volcanic activity remains high, can erupt at any time Nicky Aulia Widadio | 05.03.2021 YOGYAKARTA, INDONESIA - MARCH 05 : Lava runs down from Mount Merapi as the volcanic activity increases, in Yogyakarta, Indonesia on March 5, 2021. JAKARTA, Indonesia Mt. Merapi in Central Java, Indonesia released incandescent lava 81 times in a span of just 12 hours on Friday with a maximum sliding distance of 1.3 kilometers (0.8 miles). The Center for Research and Development of Geological Disaster Technology (BPPTKG) said the activities occurred since Thursday at 6.00 p.m. local time (1100 GMT) until Friday at 6.00 a.m. local time (2300GMT Thursday).