Mount Semeru spews smoke and ash in Lumajang on December 4, 2022. Indonesia’s Mount Semeru erupted this morning, generating a pyroclastic flow that moved as far as 4.5 kilometres. — AFP pic (New users only) It's tax relief season! Get up to RM300 when you save with Versa! Plus, enjoy an additional FREE RM10 when you sign up using code VERSAMM10 with a min. cash-in of RM100 today. T&Cs apply. Friday, 19 Jun 2026 5:19 PM MYT JAKARTA, June 19 — Indonesia’s Mount Semeru erupted this morning, generating a pyroclastic flow that moved as far as 4.5 kilometres.The mountain’s Observation Post officer Mukdas Sofian said the eruption, which occurred at 7.21am local time, also emitted white to grey ash plume that rose about 1,000 metres above the summit, according to Antara News Agency, on Friday.Mount Semeru, the highest volcano on Java Island, remains at Level III (Alert) status. — Bernama
Indonesia’s Mount Semeru erupts, spews ash 1,000m high and sends 4.5km pyroclastic flow
JAKARTA, June 19 — Indonesia’s Mount Semeru erupted this morning, generating a pyroclastic flow that moved as far as 4.5 kilometres.The mountain’s Observation Post officer...
TL;DRAI
Mount Semeru erupted this morning with a 4.5km pyroclastic flow and 1,000m ash plume; alert level remains III. For infrastructure teams in Java, volcanic hazards underscore the importance of geo-redundant architecture and tested disaster recovery.
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