Mount Mahameru Eruption in Indonesia Triggers Evacuations
Indonesia's Semeru volcano, the tallest summit on Java island, has erupted, blanketing multiple communities with falling ash, prompting evacuations and leading authorities to raise the warning to the highest level.
The volcano in the province of East Java released searing clouds of fiery ash and a combination of stone, molten rock, and gases that moved up to 7km down its sides several times from midday to dusk, while a dense plume of hot clouds rose 2km into the air, as stated by Indonesia’s Geology Agency.
The eruptions that unfolded throughout the day forced authorities to raise the volcano’s alert level on two occasions, from the third-highest level to the highest, the authority said. No deaths or injuries have been announced.
More than 300 residents in the three villages most at risk in the area of Lumajang were relocated to government shelters, according to a spokesperson for the national disaster mitigation agency.
He said that heightened volcanic movements of the volcano on the afternoon of Wednesday prompted officials to widen the danger zone to 5 miles from the crater. People were advised to stay clear from an zone along the Kobokan River, which is the path of the lava flow, as searing gas moved down Semeru’s slopes.
Footage on social media displayed a thick plume of ash sweeping through a forested valley to a waterway beneath a bridge. Residents, some with faces covered with ash and rain, escaped to temporary shelters or departed for alternative secure locations.
Regional news outlets indicated that emergency teams were facing challenges to rescue about 178 individuals stranded on the 12,060-foot mountain at the Ranu Kumbolo observation station. The party comprised 137 climbers, 15 carriers, seven escorts and six tourism officials, according to an spokesperson with the national park.
“They are currently safe at Ranu Kumbolo monitoring post,” an official said in a video statement. He said the post was situated 4.5km 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 forced the team to spend the night there, he explained.
The volcano, also called Mahameru, has erupted numerous times in the last two centuries. Still, as is the situation with numerous of the 129 active volcanoes in the archipelago, tens of thousands of residents still to live on its fertile slopes.
Semeru’s previous significant explosion was in December 2021, when 51 individuals were lost their lives and several hundred more were injured and settlements were buried in thick mud. The eruption forced the relocation of over ten thousand residents from their homes.
The country, an archipelago of more than 280 million people, is located along the Pacific seismic belt, a curved series of tectonic boundaries, and is prone to seismic events and volcanic activity.