• Gov’t units monitoring Kanlaon, Bulusan


    Government agencies are keeping a close watch on two volcanoes that recently erupted, according to a Malacañang official.

    Mount Kanlaon on Negros Island erupted on Saturday while Mount Bulusan in Sorsogon province erupted on June 10.

    The Philippine Institute of Volcanology and Seismology (Phivolcs) and the National Disaster Risk Reduction and Management Council (NDRRMC) are keeping watch on the two volcanoes, which the two agencies consider as “active at the moment,” Presidential Communications Operations Office Secretary Herminio Coloma Jr. said in an interview over state-run Radyo ng Bayan on Sunday.

    “Iyon namang kanilang mga field operatives ay kanilang pinapakilos din para tiyakin na ligtas ang ating mga kababayan. Meron kasing mga ino-obserbahang permanent exclusion zones within a certain perimeter nitong mga nasabing bundok [They are also directing their field operatives to ensure that our countrymen are safe. Because there are permanent exclusion zones being observed within a certain perimeter of these volcanoes],” Coloma added.

    Citing Philvolcs, Malacañang said in a statement issued also on Sunday that moderate steaming of plumes was seen from the summit of Mount Kanlaon, whose crater was covered with clouds after its phreatic eruption on Saturday.

    Meanwhile, Mount Bulusan “generated a steam-driven explosion that lasted for approximately seven minutes based on the seismic record and produced approximately 300 meter-high dirty white ash plume that drifted toward the northwest” a Phivolcs bulletin issued at 1 p.m. on Sunday said.

    Alert Level 1 remains in effect over Mount Bulusan, according to the bulletin.

    “This indicates that hydrothermal processes are underway beneath the volcano that may lead to more steam-driven eruptions. The local government units and the public are reminded that entry to the 4-kilometer radius Permanent Danger Zone (PDZ) is strictly prohibited due to the possibility of sudden and hazardous steam-driven or phreatic eruptions,” it said.

    “Civil aviation authorities must also advise pilots to avoid flying close to the volcano’s summit as ash from any sudden phreatic eruption can be hazardous to aircraft. Furthermore, people living within valleys and along river/stream channels especially on the southwest and northwest sector of the edifice should be vigilant against sediment-laden stream flows and lahars in the event of heavy and prolonged rainfall,” it said.



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