Semeru volcano, East Java, Indonesia: news & activity updates

Semeru Volcano Volcanic Ash Advisory: continuous ash emissions to 15000 ft (4600 m)

Semeru volcano (East Java, Indonesia): weekly volcanic activity report 28 Feb-3 Mar 2020

PVMBG reported that during February and 1-2 March an explosions at the volcano generated a grey ash plumes, which rose approx. 656 ft-1,640 ft (200 m-500 m) above the summit crater. Read all

Semeru Volcano Volcanic Ash Advisory: VA REPORTED TO FL130 AT 05/0038Z OBS VA DTG: 05/0100Z

Semeru volcano (Eastern Java, Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 4 March-10 March 2020 (New Activity / Unrest)

BNPB and PVMBG reported that on 3 March a pyroclastic flow was generated from collapsing material at the end of a 750-m-long lava flow on Semeru's S flank. The pyroclastic flow lasted nine minutes based on seismic data, traveled as far as 2.3 km down the S flank, and was documented and reported at 1733 by the Malang Subagyo district Badan Penanggulangan Bencana Daerah (BPBD). During 3-8 March black-gray eruptive plumes rose 200 m above the summit, interspersed with 100-m-high white gas plumes. Read all

Semeru Volcano Volcanic Ash Advisory: VA REPORTED TO FL130 AT 03/2312Z OBS VA DTG: 03/2330Z

Semeru Volcano Volcanic Ash Advisory: CONTINUOUS DIFFUSE VA EMISSION TO FL140 MOV ESE to 14000 ft (4300 m)

Semeru volcano (Eastern Java, Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 26 February-3 March 2020 (New Activity / Unrest)

PVMBG reported that during February and 1-2 March gray eruptive plumes rose 200-500 m above Semeru's summit. Beginning on 26 February incandescent material was ejected 10-50 m above the Jonggring-Seloko Crater, and by 2 March lava flows had traveled 500-1,000 m down the Kembar, Bang, and Kobokan drainages (on the S flank). The Alert Level remained at 2 (on a scale of 1-4), and the public was reminded to stay outside of the general 1-km radius from the summit and 4 km on the SSE flank. Read all

Semeru volcano (Eastern Java, Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 19 February-25 February 2020 (Continuing Activity)

PVMBG reported that during 17-23 February eruptive events at Semeru generated ash plume that rose around 400 m above the summit. The Alert Level remained at 2 (on a scale of 1-4). Read all