How Has Mount Semeru Been Doing Since Midnight Last Night?

JAKARTA - The activity of Mount Semeru today, Saturday, December 11, which has a height of 3,676 meters above sea level (masl), is still dominated by avalanches and earthquakes/eruptions during the last few days this week.

"Today, at 00.00-06.00 WIB, three earthquake avalanches were recorded, with an amplitude of 2-3 mm with a duration of 10-12.5 seconds," Liswanto, an officer of the Mount Semeru Observation Post on Mount Sawur, said in a written report to PVMBG, Saturday. December 11, reported by Antara.

Seismic activity that was also monitored was one gust and one distant tectonic earthquake with the status of Mount Semeru at level II or alert.

"Visually, Mount Semeru was clearly visible and the crater smoke was not observed," he said.

Meanwhile, based on a report on the activity of Mount Semeru on the Geological Agency website of the Ministry of Energy and Mineral Resources on Friday (10/12) the volcano was clearly visible to foggy, white-gray smoke was observed from the crater of moderate to thick intensity, with an altitude of 500-1000 meters from the peak, and a silent fire was observed. and light in the crater.

Volcanic earthquakes related to eruptions, avalanches, crater smoke gusts, magma activity and tectonic activity recorded one earthquake/eruption, 15 avalanches, 23 gusts, four harmonic tremors, and two distant tectonic earthquakes.

The public is not allowed to move within a radius of 1 km from the crater/peak of Mount Semeru and a distance of 5 km to the direction of the crater opening in the southeast-south sector, and be aware of hot clouds avalanche, lava avalanches, and lahars along rivers/valleys that originate at the summit of Mount Semeru. .

Liswanto also appealed to the public to be aware of the potential for slides along the valley of the Besuk Kobokan hot cloud path and to be aware of the threat of lahars in the river channel upstream of Mount Semeru, given that a lot of material has already been formed.