Mount Semeru, the highest mountain on Java Island, has been observed increasing its volcanic activity again. A report from the Semeru Volcano Observation Post recorded incandescent lava flows reaching a distance of 1.3 kilometers from the crater peak toward the southeast sector or the Besuk Kobokan flow.
In addition to lava flows, monitoring instruments also recorded six eruption events. White-to-gray volcanic smoke was reported billowing up to 1,100 meters to the east and northeast, indicating that gas pressure fluctuations inside the crater remain quite high.
An officer at the Semeru Volcano Observation Post, Sigit Rian Alfian, emphasized that remaining vigilant is the top priority. The public is advised not to carry out any activities within a 13-kilometer radius of the summit to avoid unwanted risks.
Furthermore, authorities have requested residents living along riverbanks originating from Mount Semeru to increase their preparedness. The potential threat of pyroclastic flows and cold lava floods remains a serious concern amid often unpredictable weather around the mountain slopes.
