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Indonesia's Mount Semeru, the tallest summit on Java island, has erupted, blanketing multiple communities with volcanic ash, leading to evacuations and causing officials to elevate the warning to the maximum level.
The volcano in East Java province released searing clouds of hot ash and a mixture of stone, molten rock, and gases that moved up to 7km down its slopes several times from noon to evening, while a thick column of hot clouds rose 1.2 miles into the air, according to the nation's geological authority.
The eruptions that occurred throughout the day forced authorities to increase the volcano’s alert level on two occasions, from the level three to the highest, the agency reported. No deaths or injuries have been reported.
More than 300 residents in the three villages most at risk in the district of Lumajang were relocated to official safe havens, as mentioned by a spokesperson for the national disaster mitigation agency.
He stated that increased activity of the mountain on the afternoon of Wednesday prompted officials to widen the hazard area to 5 miles from the summit. People were advised to stay clear from an zone along the Besuk Kobokan River, which is the route of the molten rock stream, as scorching gases flowed down the volcano's sides.
Footage on online platforms displayed a thick plume of volcanic dust sweeping through a wooded ravine to a waterway beneath a bridge. Locals, some with faces smeared with ash and water, escaped to makeshift refuges or left for alternative secure locations.
Regional news outlets reported that authorities were facing challenges to save about 178 individuals trapped on the 12,060-foot peak at the Ranu Kumbolo monitoring post. The party included 137 climbers, 15 porters, seven escorts and six tourism officials, according to an spokesperson with the national park.
“They are currently safe at Ranu Kumbolo monitoring post,” a spokesperson stated in a recorded message. He noted the post was located 4.5km from the crater on the northern slope of the mountain, which is outside the trajectory of the hot cloud flow that was seen moving to the southeast direction. Inclement conditions and precipitation forced the group to spend the night there, he explained.
Semeru, also known as Great Mountain, has burst many occasions in the last two centuries. Still, as is the case with many of the 129 live volcanoes in Indonesia, thousands of people continue to reside on its fertile slopes.
Semeru’s last major eruption was in late 2021, when 51 individuals were killed and several hundred others were burned and villages were submerged in layers of mud. The event forced the evacuation of over ten thousand residents from their houses.
The country, an archipelago of over 280 million inhabitants, sits along the Pacific seismic belt, a horseshoe-shaped series of fault lines, and is prone to earthquakes and volcanism.
Lena is a seasoned sports analyst with over a decade of experience in betting strategies and statistical modeling.