Volcano Semeru Eruption in Indonesia Triggers Emergency Relocations
Indonesia's Mount Semeru, the tallest summit on Java island, has erupted, covering several villages with volcanic ash, leading to evacuations and causing officials to elevate the alert to the highest level.
The mountain in East Java province unleashed searing clouds of fiery ash and a mixture of rock, lava and gas that travelled up to 7km down its slopes multiple times from noon to evening, while a thick column of hot clouds rose 1.2 miles into the sky, as stated by Indonesia’s Geology Agency.
The eruptions that occurred throughout the day forced authorities to raise the mountain's warning status twice, from the third-highest level to the highest, the authority reported. No casualties have been announced.
More than 300 inhabitants in the three communities most at risk in the district of Lumajang were relocated to government shelters, as mentioned by a representative for the national emergency management body.
He stated that increased activity of the volcano on the afternoon of Wednesday prompted authorities to widen the danger zone to 8km from the summit. People were urged to keep away from an area along the Kobokan River, which is the route of the molten rock stream, as scorching gases moved down Semeru’s slopes.
Footage on online platforms showed a thick plume of ash moving through a wooded ravine to a waterway beneath a overpass. Locals, some with faces smeared with ash and rain, escaped to makeshift refuges or left for alternative secure locations.
Local media reported that emergency teams were struggling to rescue about 178 individuals stranded on the 3,676-metre peak at the Ranu Kumbolo monitoring post. The group comprised 137 climbers, 15 carriers, seven escorts and six tourism officials, according to an spokesperson with the protected area.
“They remain secure at Ranu Kumbolo monitoring post,” a spokesperson stated in a recorded message. He said the station was located 2.8 miles from the summit on the northern slope of the volcano, which is not in the path of the hot cloud flow that was observed moving to the southeast direction. Inclement conditions and rain required the group to remain overnight there, he explained.
The volcano, also called Great Mountain, has erupted numerous times in the last two centuries. However, as is the situation with many of the 129 live volcanoes in Indonesia, thousands of people still to live on its fertile slopes.
The mountain's previous significant explosion was in December 2021, when 51 individuals were lost their lives and hundreds others were injured and villages were submerged in thick mud. The eruption led to the evacuation of more than 10,000 residents from their homes.
The country, an island chain of over 280 million inhabitants, is located along the Pacific “ring of fire”, a curved series of tectonic boundaries, and is susceptible to earthquakes and volcanism.