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Mount Ruang of Sitaro District, North Sulawesi, erupts. (17/4/2024). (ANTARA/HO-PVMBG) - 

VOInews, Jakarta : The Center for Volcanology and Geological Hazard Mitigation (PVMBG) on Sunday has lifted a tsunami advisory previously issued following the eruption of Mount Ruang in Sitaro District of North Sulawesi Province.

"The potential for large eruptions is decreasing, so the chance for tsunamis to occur is less likely," said Head of PVMBG Hendra Gunawan in a statement received here on Sunday.

On April 1-21, 2024, until 12:00 local time (GMT+8), PVMBG recorded as many as 10 eruptions on Mount Ruang starting on April 16, at 1:37 p.m. local time.

A major eruption occurred on April 17, at 8:15 p.m. local time. The continuous eruption was accompanied by rumbling sounds and vibrations felt up to the Mount Ruang Observation Post in Tulusan Village, Tagulandang Sub-District.

Explosive eruptions occurred on Ruang Island, followed by the release of incandescent material and hot clouds. Meanwhile, Tagulandang Island was raining stones and sand, spewed from the volcano which is 10 kilometer away. 

The results of visual monitoring carried out by PVMBG on April 21, until 12:00 local time recorded thick white smoke as high as 200 meters from the main crater and no eruption was observed.

"This showed a decrease in eruptive activity on Mount Ruang," said Gunawan. 

On April 21, from 00:00-12:00 local time the PVMBG recorded 25 shallow volcanic earthquakes and 19 deep volcanic earthquakes.

The PVMBG team has installed a seismic monitoring station at the Mount Ruang Observation Post which is about five kilometers from the peak to monitor the activity of the volcano//Antara - VOI